ET, markets are largely flat in premarket trading. Nasdaq Futures: Up 15.25 (+.07%) S&P 500 Futures: +13.75 (.23%) Dow Jones Futures: +117.00 (+.27%) After several days of Nasdaq Composite outperformance,

The S&P 500 gained 0.55% to close at 5,975.38. The Nasdaq Composite advanced 1.24% to end at 19,864.98. The Dow Jones Industrial Average lagged, losing 25.57 points, or 0.06%, to close at 42,706.56.

Nvidia traded slightly higher after Jensen Huang's CES keynote. Traders are eyeing key economic data later in the week.