Nvidia Rally Lifts S&P 500 and Nasdaq Records

Per Reuters, the S&P 500 and the Nasdaq Composite touched fresh intraday record highs on May 14, 2026, as technology stocks led gains. Reuters reports Nvidia rose 3.9%, which Reuters says lifted the chipmaker's market valuation to roughly $5.7 trillion, after Reuters reported, citing sources, that U.S. authorities cleared about 10 Chinese firms to buy Nvidia's second-most-powerful AI chip, the H200. Reuters reports the rally in chipmakers helped drive repeated records even as geopolitical tensions in the Middle East persisted. At 12:08 p.m. ET Reuters records the Dow Jones Industrial Average up 492.38 points to 50,185.58, the S&P 500 up 71.35 points to 7,515.60, and the Nasdaq Composite up 294.47 points to 26,696.82.

Editorial analysis - technical context: Reporting attributes the immediate price move to a combination of a reported regulatory clearance affecting availability of a high-end AI accelerator and ongoing investor enthusiasm for AI hardware. The specific product mentioned in coverage is the H200; outlets report it as Nvidia's second-most-powerful AI chip. Observers tracking AI infrastructure note that updates affecting supply or permitted sales of high-end accelerators can change near-term demand expectations for hyperscalers and enterprise AI deployments, which in turn shifts valuation multiples for chipmakers and related suppliers.

Per Reuters and Yahoo Finance, Cisco jumped 14.4% to an all-time high after the company said it would cut nearly 4,000 jobs as part of a restructuring and raised its annual revenue forecast, which Reuters reports reflected stronger orders from hyperscalers. Reuters also notes that U.S. retail sales increased 0.5% in April, in line with estimates, and that weekly initial jobless claims rose moderately, both of which market reporters cited as part of a broader macro backdrop supporting equities.

Public reporting frames this episode as another instance where concentrated leadership by a small set of AI-infrastructure vendors amplifies market moves. Multiple outlets note that Nvidia has been central to a weeks-long technology rally, and the WSJ reports Nvidia intraday reached a market valuation near $5.5 trillion in prior sessions. For practitioners, these dynamics matter because supplier concentration affects negotiation power, procurement timelines, and the secondary market for used accelerators.

For practitioners: monitor confirmatory filings and vendor disclosures about permitted exports or sales tied to the reported U.S. clearance, because concrete contract announcements or shipping schedules would be the next tangible signals. Also watch hyperscaler capex commentary and quarterly guidance from major chipmakers, since Reuters and other coverage link hyperscaler demand to recent upside revisions. Finally, follow macro data on consumer spending and labor market releases that reporters cited as supporting the broader risk-on environment.

Per Reuters, Chris Zaccarelli, chief investment officer at Northlight Asset Management, said, "Nvidia has clearly been a big beneficiary, both from the China announcement and from the broader artificial intelligence theme." Zaccarelli added that investors may be pulling some performance forward from future expectations.

All high-stakes numerical claims and company actions in this summary are attributed to Reuters, the Wall Street Journal, and Yahoo Finance reporting cited in the scraped coverage.