Nvidia (NVDA) crossed a $3T market cap and its fresh all-time high lead shares to close above $1,200 for the first time. A group backed by Citadel and BlackRock (BLK) wants to start a national stock exchange in Texas. Lululemon (LULU) shares closed up, then after markets closed, the company posted first quarter sales that increased year-over-year with revenue and earnings that beat estimates. Tune into find out more about what to watch tomorrow and the stock market today.