S&P 500, 纳斯达克综合指数周四收高，Nvidia因收入指引上涨：实时更新 - CNBC

Nvidia's revenue guidance just moved the entire market — S&P 500 and Nasdaq both closed higher Thursday on one company's outlook.

This isn't just about one stock rallying. Nvidia's weight in major indices means its price moves mechanically pull the benchmarks with it. But the real transmission: strong AI chip demand signals broader infrastructure spending, lifting software and semiconductor peers beyond Nvidia itself.

The spillover matters more than the headline. When a bellwether confirms its sector's fundamentals, related names move on revised expectations, not just index math.

Market sentiment: positive (medium confidence) — this describes news tone, not trade direction.