Stocks closed mostly higher to start the trading week with the NDX kept out of the winning indices. That index weakness came from A.I. stocks like Nvidia (NVDA), Palantir (PLTR) and Micron (MU) after the Biden administration proposed chip sale limits to other countries. Abercrombie & Fitch (ANF) sold off despite a strong holiday season while Moderna (MRNA) hit lows it hasn't seen since 2020. Oliver Renick runs through the day's biggest stories.