Stock Market Today, Nov. 9: Nvidia Stock Plunges 4% on Jensen Huang Investigation as Nasdaq Surges Nearly 3%

Nvidia shares fell roughly 4% on the day the headline reports, with the decline tied to an investigation involving CEO Jensen Huang, while the broader Nasdaq rose nearly 3%. The divergence points to a stock-specific repricing of governance and legal risk for Nvidia rather than a general retreat in technology sentiment, which means the move is transmitted through idiosyncratic risk premia on a single heavily weighted constituent. Because Nvidia carries substantial weight in the Nasdaq-100, its decline dampens index gains, but the rally elsewhere in the index suggests capital rotated into other large-cap names as risk appetite held up. Traders should watch whether the investigation produces formal filings, subpoenas, or statements from regulators that would extend the selloff, and whether Nvidia's price action recovers relative to the index in the sessions that follow.

The Nasdaq-100 (NDX) is the US large-cap tech benchmark. NDX is more sensitive to rate decisions than SPX because of longer-duration cash flows, and heavily concentrated in Tech/Comms names — mega-cap earnings season dominates price action.

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