{"id":52683,"date":"2026-08-19T08:26:59","date_gmt":"2026-08-19T08:26:59","guid":{"rendered":"https:\/\/www.vtmarkets.com\/pt-eu\/uncategorized\/growing-pressure-across-semiconductor-stocks\/"},"modified":"2026-08-19T08:26:59","modified_gmt":"2026-08-19T08:26:59","slug":"growing-pressure-across-semiconductor-stocks","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/pt-eu\/analysis\/growing-pressure-across-semiconductor-stocks\/","title":{"rendered":"Press\u00e3o Crescente em Todo o Setor das A\u00e7\u00f5es de Semicondutores"},"content":{"rendered":"<figure class=\"wp-block-post-featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1250\" height=\"700\" src=\"https:\/\/www.vtmarkets.com\/pt-eu\/wp-content\/uploads\/sites\/22\/2026\/08\/SMHandSemiC.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"AI microprocessor glowing purple on a circuit board with a digital globe and stock charts in the background.\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.vtmarkets.com\/pt-eu\/wp-content\/uploads\/sites\/22\/2026\/08\/SMHandSemiC.webp 1250w, https:\/\/www.vtmarkets.com\/pt-eu\/wp-content\/uploads\/sites\/22\/2026\/08\/SMHandSemiC-300x168.webp 300w, https:\/\/www.vtmarkets.com\/pt-eu\/wp-content\/uploads\/sites\/22\/2026\/08\/SMHandSemiC-1024x573.webp 1024w, https:\/\/www.vtmarkets.com\/pt-eu\/wp-content\/uploads\/sites\/22\/2026\/08\/SMHandSemiC-768x430.webp 768w, https:\/\/www.vtmarkets.com\/pt-eu\/wp-content\/uploads\/sites\/22\/2026\/08\/SMHandSemiC-500x280.webp 500w, https:\/\/www.vtmarkets.com\/pt-eu\/wp-content\/uploads\/sites\/22\/2026\/08\/SMHandSemiC-400x224.webp 400w, https:\/\/www.vtmarkets.com\/pt-eu\/wp-content\/uploads\/sites\/22\/2026\/08\/SMHandSemiC-350x196.webp 350w, https:\/\/www.vtmarkets.com\/pt-eu\/wp-content\/uploads\/sites\/22\/2026\/08\/SMHandSemiC-200x112.webp 200w\" sizes=\"auto, (max-width: 1250px) 100vw, 1250px\" \/><\/figure>\n\n\n<p class=\"wp-block-paragraph\">As a\u00e7\u00f5es de semicondutores voltam a estar sob press\u00e3o, \u00e0 medida que os investidores reavaliam a for\u00e7a da subida impulsionada pela IA (intelig\u00eancia artificial) e os ganhos recentes no setor. O <strong>VanEck Semiconductor ETF (SMH)<\/strong>, um fundo negociado em bolsa que replica um cabaz diversificado de empresas de semicondutores, \u00e9 um indicador importante para perceber se a queda atual \u00e9 apenas uma pausa normal ap\u00f3s fortes subidas (consolida\u00e7\u00e3o) ou uma mudan\u00e7a mais profunda no sentimento sobre o setor.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Pontos-chave<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O SMH negociava perto de <strong>569,77<\/strong>, com as a\u00e7\u00f5es de semicondutores sob press\u00e3o, enquanto os investidores reavaliam as avalia\u00e7\u00f5es ligadas \u00e0 IA (pre\u00e7os face aos lucros esperados) e o ritmo do setor.<br><\/li>\n\n\n\n<li>O setor registou novas vendas em v\u00e1rias empresas, aumentando o foco em saber se a procura por infraestrutura de IA (chips, centros de dados e redes) continua a sustentar as expetativas de resultados (lucros).<br><\/li>\n\n\n\n<li>Os traders acompanham a <strong>resist\u00eancia nos 590<\/strong> e o <strong>suporte nos 565<\/strong>, enquanto o ETF se mant\u00e9m entre a m\u00e9dia m\u00f3vel de 50 dias e a linha central das Bandas de Bollinger.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Porque vale a pena acompanhar<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O SMH \u00e9 seguido de perto como medida da sa\u00fade do setor, porque d\u00e1 exposi\u00e7\u00e3o a grandes empresas de chips ligadas \u00e0 infraestrutura de IA, mem\u00f3ria (chips para armazenamento tempor\u00e1rio de dados), foundries (f\u00e1bricas que produzem chips para outras marcas) e equipamento para fabricar semicondutores. O desempenho do ETF costuma refletir a confian\u00e7a dos investidores no ciclo de investimento em IA a m\u00e9dio e longo prazo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A fraqueza recente surge <a href=\"https:\/\/www.tradingview.com\/news\/te_news:576226:0-us-stocks-slide-on-chipmaker-selloff\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">depois de v\u00e1rias a\u00e7\u00f5es do setor terem ca\u00eddo, levando os investidores a reavaliar as avalia\u00e7\u00f5es<\/a> ap\u00f3s uma forte subida impulsionada pela IA. Apesar de a procura por infraestrutura de IA continuar a ser um tema estrutural, o mercado est\u00e1 mais seletivo, olhando para se o investimento elevado em chips, centros de dados e infraestrutura associada se traduz em crescimento dos lucros.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O setor de semicondutores tamb\u00e9m est\u00e1 ligado ao sentimento em tecnologia de forma mais ampla (apetite dos investidores por empresas tecnol\u00f3gicas). As expetativas de procura, os planos de investimento em IA das grandes tecnol\u00f3gicas, as tend\u00eancias de oferta (capacidade de produ\u00e7\u00e3o) e as perspetivas de resultados continuam a pesar no posicionamento dos investidores.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00edveis de negocia\u00e7\u00e3o a acompanhar<\/h2>\n\n\n\n<!-- TradingView Widget BEGIN -->\n<div class=\"tradingview-widget-container\">\n  <div class=\"tradingview-widget-container__widget\"><\/div>\n  <div class=\"tradingview-widget-copyright\"><a href=\"https:\/\/www.vtmarkets.com\/vt-markets-app\/?utm_source=&amp;utm_content=DMA\" rel=\"noopener nofollow\" target=\"_blank\"><span class=\"blue-text\">Cota\u00e7\u00e3o do SOXX dispon\u00edvel na app da VT Markets, <\/span><\/a><span class=\"trademark\">acompanhe suporte, resist\u00eancia e momentum (for\u00e7a do movimento) \u00e0 medida que se define a pr\u00f3xima configura\u00e7\u00e3o do SMH.<\/span><\/div>\n  <script type=\"text\/javascript\" src=\"https:\/\/s3.tradingview.com\/external-embedding\/embed-widget-symbol-overview.js\" async=\"\">\n  {\n  \"lineWidth\": 2,\n  \"lineType\": 1,\n  \"chartType\": \"area\",\n  \"showVolume\": false,\n  \"fontColor\": \"rgb(106, 109, 120)\",\n  \"gridLineColor\": \"rgba(242, 242, 242, 0.06)\",\n  \"volumeUpColor\": \"rgba(34, 171, 148, 0.5)\",\n  \"volumeDownColor\": \"rgba(247, 82, 95, 0.5)\",\n  \"backgroundColor\": \"#0F0F0F\",\n  \"widgetFontColor\": \"#DBDBDB\",\n  \"upColor\": \"#22ab94\",\n  \"downColor\": \"#f7525f\",\n  \"borderUpColor\": \"#22ab94\",\n  \"borderDownColor\": \"#f7525f\",\n  \"wickUpColor\": \"#22ab94\",\n  \"wickDownColor\": \"#f7525f\",\n  \"colorTheme\": \"dark\",\n  \"isTransparent\": false,\n  \"locale\": \"en\",\n  \"chartOnly\": false,\n  \"scalePosition\": \"right\",\n  \"scaleMode\": \"Normal\",\n  \"fontFamily\": \"-apple-system, BlinkMacSystemFont, Trebuchet MS, Roboto, Ubuntu, sans-serif\",\n  \"valuesTracking\": \"3\",\n  \"changeMode\": \"price-and-percent\",\n  \"symbols\": [\n    [\n      \"NASDAQ:SMH|1D\"\n    ]\n  ],\n  \"dateRanges\": [\n    \"1d|1\",\n    \"1m|30\",\n    \"3m|60\",\n    \"12m|1D\",\n    \"60m|1W\",\n    \"all|1M\"\n  ],\n  \"fontSize\": \"10\",\n  \"headerFontSize\": \"medium\",\n  \"autosize\": true,\n  \"dateFormat\": \"MMM dd, yyyy\",\n  \"width\": \"100%\",\n  \"height\": \"100%\",\n  \"noTimeScale\": false,\n  \"hideDateRanges\": true,\n  \"showMA\": true,\n  \"maLength\": \"9\",\n  \"maLineColor\": \"#2962FF\",\n  \"maLineWidth\": 1,\n  \"hideMarketStatus\": false,\n  \"hideSymbolLogo\": false\n}\n  <\/script>\n<\/div>\n<!-- TradingView Widget END --><br>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nos 611:<\/strong> Banda superior de Bollinger (limite superior do intervalo) e resist\u00eancia para uma subida de curto prazo (quebra em alta)<\/li>\n\n\n\n<li><strong>Nos 590:<\/strong> M\u00e9dia m\u00f3vel de 50 dias (m\u00e9dia do pre\u00e7o dos \u00faltimos 50 dias) e n\u00edvel de recupera\u00e7\u00e3o da tend\u00eancia de m\u00e9dio prazo<\/li>\n\n\n\n<li><strong>Nos 565:<\/strong> Linha central das Bandas de Bollinger (refer\u00eancia do \u201cmeio\u201d do intervalo) e ponto de viragem imediato<\/li>\n\n\n\n<li><strong>Nos 550:<\/strong> Suporte da consolida\u00e7\u00e3o recente<\/li>\n\n\n\n<li><strong>Nos 519:<\/strong> Banda inferior de Bollinger e limite inferior de volatilidade (zona onde a queda tende a acelerar)<\/li>\n\n\n\n<li><strong>Nos 492:<\/strong> M\u00ednimo recente (fundo local) e refer\u00eancia principal de queda<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">No curto prazo, o foco \u00e9 perceber se o SMH consegue estabilizar acima da linha central das Bandas de Bollinger e voltar a recuperar a m\u00e9dia m\u00f3vel de 50 dias, o que indicaria que a corre\u00e7\u00e3o recente est\u00e1 controlada.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">An\u00e1lise t\u00e9cnica<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/codeNTczYzM2MzE2ZjMwMmNiNDg1NzJiZmIzZjZlMTNkNGNfT1NQM2h1Y3FqM2pCVWk2VXkyNHZoSnVLZWR6RzF1YXBfVG9rZW46TGVlc2JqbFFGb3E2ekx4czBZS2xodWdCZ2xjXzE3ODcxMjYxNzI6MTc4NzEyOTc3Ml9WNAampadd_watermarktrueampscene_typeCCM.png\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A 19 de agosto, o SMH negociava perto de <strong>569,77<\/strong>, ap\u00f3s recuar dos m\u00e1ximos de julho, depois de o ETF ter dificuldade em manter for\u00e7a perto da parte alta do intervalo recente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O ETF est\u00e1 entre duas refer\u00eancias t\u00e9cnicas importantes: a <strong>m\u00e9dia m\u00f3vel de 50 dias nos 590,82<\/strong> e a <strong>linha central das Bandas de Bollinger nos 565,15<\/strong>. Isto coloca o pre\u00e7o perto do centro do intervalo de volatilidade recente, sugerindo uma fase de decis\u00e3o e n\u00e3o um n\u00edvel extremo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As Bandas de Bollinger mostram um limite superior perto de <strong>611,07<\/strong> e um limite inferior perto de <strong>519,20<\/strong>. Como o pre\u00e7o se mant\u00e9m bem acima da banda inferior, o movimento parece uma corre\u00e7\u00e3o do setor e n\u00e3o uma quebra clara em baixa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O intervalo imediato est\u00e1 entre <strong>suporte nos 565<\/strong> e <strong>resist\u00eancia nos 590<\/strong> (\u00e1rea onde a subida tende a travar).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uma subida acima de <strong>590<\/strong> indicaria que os compradores voltam a ganhar for\u00e7a a m\u00e9dio prazo e pode colocar <strong>611<\/strong> no radar. Uma queda abaixo de <strong>565<\/strong> enfraquece a estrutura de curto prazo e exp\u00f5e o suporte nos <strong>550<\/strong>, com <strong>519<\/strong> como refer\u00eancia de queda mais ampla.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Cen\u00e1rio de subida<\/td><td>Cen\u00e1rio de queda<\/td><\/tr><tr><td>O cen\u00e1rio positivo ganha for\u00e7a se o SMH recuperar <strong>590<\/strong> e se mantiver acima da m\u00e9dia m\u00f3vel de 50 dias. Um movimento sustentado acima deste n\u00edvel sugere que os compradores est\u00e3o a absorver a press\u00e3o vendedora e a tentar recuperar o impulso no setor.Uma quebra acima de <strong>611<\/strong> daria uma confirma\u00e7\u00e3o mais forte e voltaria a colocar em foco a zona do m\u00e1ximo anterior perto de <strong>672<\/strong>.<\/td><td>O cen\u00e1rio negativo ganha forma se o SMH cair abaixo de <strong>565<\/strong> e perder a linha central das Bandas de Bollinger. Um movimento abaixo deste n\u00edvel indica que os vendedores ganham controlo da tend\u00eancia de curto prazo.Nova fraqueza abaixo de <strong>550<\/strong> pode expor a banda inferior perto de <strong>519<\/strong>, enquanto uma quebra abaixo de <strong>492<\/strong> sinalizaria uma deteriora\u00e7\u00e3o mais profunda da estrutura do setor.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em><strong>Aviso<\/strong><\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Fatores de mercado a acompanhar<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para l\u00e1 do gr\u00e1fico, os traders acompanham os resultados das empresas de semicondutores, as tend\u00eancias de investimento em infraestrutura de IA, as expetativas de procura por chips e o sentimento no setor tecnol\u00f3gico. A pr\u00f3xima dire\u00e7\u00e3o do VanEck Semiconductor ETF (SMH) pode depender de os investidores verem a fraqueza atual como um reajuste de avalia\u00e7\u00f5es no ciclo da IA ou como uma revis\u00e3o mais ampla das expetativas de crescimento do setor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Negociar SMH com a VT Markets<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O CFD (contrato por diferen\u00e7a, um derivado que replica a varia\u00e7\u00e3o do pre\u00e7o) do VanEck Semiconductor ETF permite ganhar exposi\u00e7\u00e3o aos movimentos do SMH sem deter o ETF.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como o SMH acompanha um cabaz concentrado de empresas de semicondutores, oferece uma vis\u00e3o ampla do sentimento sobre IA, fabrico de chips e equipamento do setor. Os seus movimentos de pre\u00e7o s\u00e3o influenciados por tend\u00eancias de investimento em IA, expetativas de procura por chips, resultados do setor tecnol\u00f3gico e condi\u00e7\u00f5es gerais de mercado.<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>TL;DR<\/summary>\n<p class=\"wp-block-paragraph\"><strong>Porque \u00e9 que o SMH est\u00e1 sob press\u00e3o?<\/strong><br>O SMH est\u00e1 sob press\u00e3o devido a novas vendas no setor e \u00e0 reavalia\u00e7\u00e3o das avalia\u00e7\u00f5es ligadas \u00e0 IA, das expetativas de procura por chips e do impulso do setor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Qual \u00e9 o n\u00edvel mais importante para o SMH?<\/strong><br>Os n\u00edveis-chave s\u00e3o a <strong>resist\u00eancia nos 590<\/strong> e o <strong>suporte nos 565<\/strong>. Acima de 590, o curto prazo melhora; abaixo de 565, aumenta o risco de queda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>O SMH pode recuperar?<\/strong><br>Pode recuperar se os compradores voltarem a dominar acima da m\u00e9dia m\u00f3vel de 50 dias e empurrarem o pre\u00e7o para a banda superior de Bollinger perto de <strong>611<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Posso negociar SMH com a VT Markets?<\/strong><br>Sim. A VT Markets disponibiliza CFDs sobre o SMH, permitindo exposi\u00e7\u00e3o \u00e0s varia\u00e7\u00f5es do ETF sem deter o ativo.<\/p>\n<\/details>\n\n\n\n\n<p class=\"wp-block-paragraph\"><b>Comece a negociar agora \u2014 clique <a href=\"https:\/\/www.vtmarkets.com\/pt-eu\/trade-now\/\">aqui<\/a> para criar a sua conta real da VT Markets.<\/b>\n\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Semicondutores voltam a ceder: o ETF SMH testa a confian\u00e7a na subida da IA. Com 569,8, o mercado vigia suporte 565 e resist\u00eancia 590 para confirmar consolida\u00e7\u00e3o ou viragem.<\/p>\n","protected":false},"author":87,"featured_media":52682,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-52683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-analysis"],"acf":{"acf_article_selection_author":null},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Semicondutores voltam a ceder: o ETF SMH testa a confian\u00e7a na subida da IA. 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