US stock market today: Dow Futures jump 136 points, S&P 500 up 0.3%; Nvidia slides 4%

Dow futures rose about 136 points while S&P 500 futures gained roughly 0.3%, even as Nvidia shares fell around 4%, according to CNBC-TV18's report on the US market session. The divergence points to a rotation within equities rather than broad risk-on buying, with index-level strength coming from sectors outside the mega-cap technology complex. Because Nvidia carries substantial weight in the S&P 500 and an even larger weight in the Nasdaq-100, its decline drags on the NDX more than on the Dow, which has no comparable single-stock concentration. Traders should watch whether the Nasdaq-100 can hold gains as semiconductor leadership wavers, and how the index-heavy weighting in Nvidia translates into intraday breadth readings. The next catalyst to monitor is the scheduled US inflation print, since a hotter-than-expected reading could reprice rate expectations and pressure long-duration growth names more sharply than cyclical sectors.

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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