--- title: "IXIC: Nasdaq Slips as $91 Oil Sends Yields Flying. AI Stocks Fight Back." type: "News" locale: "en" url: "https://longbridge.com/en/news/296178889.md" description: "US stocks retreated as the US-Iran ceasefire expired, pushing oil above $91 and Treasury yields to near-decade highs. The Nasdaq fell 0.3%, while the S&P 500 and Dow dropped 0.5%. Despite broader market weakness, AI-related stocks like Sandisk and Marvell rallied on strong revenue reports from Anthropic. Additionally, Reddit joined the S&P 500, creating mechanical demand for index funds." datetime: "2026-08-18T05:05:17.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/296178889.md) - [en](https://longbridge.com/en/news/296178889.md) - [zh-HK](https://longbridge.com/zh-HK/news/296178889.md) generator: "portal-rs" --- # IXIC: Nasdaq Slips as $91 Oil Sends Yields Flying. AI Stocks Fight Back. Key points: - US stocks tumble Monday - Futures hug the flatline - AI companies refuse to go Wall Street’s three big indexes retreated as the US-Iran ceasefire expired. Memory chips still rallied. 📉 **Big Three retreat from records** - The Nasdaq Composite fell 0.3% Monday to 26,644.91, while the S&P 500 and the Dow each lost 0.5%, closing at 7,745.06 and 53,459.78. - Tuesday futures pointed modestly lower as rising oil and bond yields extended Wall Street’s two-session retreat. - Brent crude broke above $91 and WTI reached $85 after Washington declined to extend its ceasefire with Iran. Tehran announced a “fully offensive” posture, Hormuz traffic remained severely restricted and attacks near the Red Sea added another supply threat. - The oil shock pushed the US 10-year Treasury yield toward 4.72% and the 30-year above 5.32, its highest in nearly two decades. Higher yields particularly hurt Nasdaq valuations because distant technology profits become less valuable when investors can earn nicely from comparatively boring government debt. 🤖 **AI refuses to leave quietly** - Sandisk surged 8.9%, Marvell gained 5.5% and Micron added 4.1% after Anthropic’s annualized revenue run rate reportedly topped $65 billion. - That figure extrapolates recent sales over a year — it isn’t audited annual revenue — but it still provided AI bulls with some satisfyingly arithmetic. - SpaceX jumped 4.4% after filings revealed major institutional positions. Harvard disclosed a stake worth more than $2.2 billion, Nvidia owns nearly 1% and Norway’s sovereign fund reported over $1.2 billion of shares. - Reddit officially entered the S&P 500 Tuesday after surging nearly 13% on the announcement. Index funds must now own it, creating mechanical demand. 🌏 **Global markets feel the heat** - Asia reversed early gains Tuesday. Japan’s Nikkei sank 1.6%, the broader regional benchmark fell 0.3% and South Korea finished around flat. - Rising energy costs hit oil-importing economies especially hard, while Japan’s 10-year government yield reached a 30-year high near 2.94%. - The dollar strengthened modestly as investors sought safety, while gold and both Bitcoin and Ether slipped about 0.3%. Gold’s weakness despite geopolitical stress reflects surging yields: bullion pays virtually nothing. - Home Depot’s earnings lead Tuesday’s calendar, followed by Target and Lowe’s Wednesday and Walmart Thursday. 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