{"id":51783,"date":"2026-07-31T08:22:29","date_gmt":"2026-07-31T08:22:29","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/le-rallye-boursier-americain-mene-par-la-tech-propulse-le-sp-500-la-flambee-de-microsoft-compensant-des-rendements-du-treasury-a-30-ans-proches-de-524\/"},"modified":"2026-07-31T08:22:29","modified_gmt":"2026-07-31T08:22:29","slug":"le-rallye-boursier-americain-mene-par-la-tech-propulse-le-sp-500-la-flambee-de-microsoft-compensant-des-rendements-du-treasury-a-30-ans-proches-de-524","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/le-rallye-boursier-americain-mene-par-la-tech-propulse-le-sp-500-la-flambee-de-microsoft-compensant-des-rendements-du-treasury-a-30-ans-proches-de-524\/","title":{"rendered":"Le rallye boursier am\u00e9ricain men\u00e9 par la tech propulse le S&#038;P 500, la flamb\u00e9e de Microsoft compensant des rendements du Treasury \u00e0 30 ans proches de 5,24\u00a0%"},"content":{"rendered":"<p>Les actions am\u00e9ricaines ont progress\u00e9 jeudi, le S&amp;P 500 gagnant 1,66 % et le Nasdaq 2,78 %, tir\u00e9s par la technologie. Microsoft a bondi de plus de 15 %, ajoutant pr\u00e8s de 450 Md$ de capitalisation boursi\u00e8re lors d\u2019un record sur une s\u00e9ance, apr\u00e8s de meilleures performances du cloud et des pr\u00e9visions laissant entendre que les lourds investissements dans l\u2019intelligence artificielle commencent \u00e0 se traduire en retours ; le groupe a \u00e9galement anticip\u00e9 une croissance d\u2019Azure d\u2019environ 45 % \u00e0 taux de change constant pour son premier trimestre fiscal. Dans le m\u00eame temps, le rendement du Tr\u00e9sor am\u00e9ricain \u00e0 30 ans s\u2019est rapproch\u00e9 de 5,24 %, son plus haut niveau depuis 2007, soulignant un march\u00e9 obligataire focalis\u00e9 sur la persistance de l\u2019inflation, une demande de capitaux \u00e9lev\u00e9e et des primes de terme plus importantes, m\u00eame si la valorisation des actions s\u2019appuie sur une r\u00e9silience des b\u00e9n\u00e9fices port\u00e9e par les gains de productivit\u00e9.<\/p>\n<h3>Signaux de politique mon\u00e9taire et donn\u00e9es \u00e9conomiques contrast\u00e9s<\/h3>\n<p>La politique mon\u00e9taire et les donn\u00e9es ont envoy\u00e9 des signaux mitig\u00e9s. Le 29 juillet, la R\u00e9serve f\u00e9d\u00e9rale a maintenu la fourchette cible des fed funds \u00e0 3,50 %\u20133,75 % par un vote de 9 contre 3, trois responsables ayant plaid\u00e9 pour une hausse de 25 points de base, tout en r\u00e9affirmant son objectif d\u2019inflation de 2 %. En juin, l\u2019indice PCE a recul\u00e9 de 0,1 % sur un mois et le PCE hors \u00e9nergie et alimentation a progress\u00e9 de 0,1 % ; sur un an, le PCE global a ralenti \u00e0 3,7 % et le PCE sous-jacent \u00e0 3,3 %. La croissance du PIB a d\u00e9c\u00e9l\u00e9r\u00e9 \u00e0 1,5 % en rythme annualis\u00e9 au deuxi\u00e8me trimestre, contre 2,1 % pr\u00e9c\u00e9demment, tandis que les ventes finales r\u00e9elles au secteur priv\u00e9 domestique ont acc\u00e9l\u00e9r\u00e9 \u00e0 3,9 % contre 1,7 %, compliquant les anticipations de baisses de taux alors que la remont\u00e9e des rendements longs r\u00e9\u00e9value le co\u00fbt du capital.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b>Commencez \u00e0 trader d\u00e8s maintenant \u2014 cliquez <a href=\"https:\/\/www.vtmarkets.com\/fr-eu\/trade-now\/\">ici<\/a> pour cr\u00e9er votre compte r\u00e9el VT Markets.<\/b>\n\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Wall Street rebondit, dop\u00e9e par la tech : S&#038;P 500 +1,66 %, Nasdaq +2,78 %. Microsoft flambe (+15 %, +450 Md$) gr\u00e2ce au cloud et \u00e0 l\u2019IA, tandis que le 30 ans fr\u00f4le 5,24 %. Fed et donn\u00e9es brouillent les baisses de taux.<\/p>\n","protected":false},"author":87,"featured_media":49721,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-51783","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-live-updates"],"acf":{"acf_article_selection_author":null},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Wall Street rebondit, dop\u00e9e par la tech : S&amp;P 500 +1,66 %, Nasdaq +2,78 %. Microsoft flambe (+15 %, +450 Md$) gr\u00e2ce au cloud et \u00e0 l\u2019IA, tandis que le 30 ans fr\u00f4le 5,24 %. 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