Stocks close deeper in record territory Thursday as investors focus on positives from corporate earnings and on the M&A front.

U.S. stocks closed at record highs Wednesday, with the Nasdaq leading the charge after Nvidia became the first chipmaker to cross a $4 trillion valuation. The tech rally helped offset market concerns over President Donald Trump’s latest round of tariffs.

Nvidia shares rose to a new record Thursday, helping lift the S&P 500 and Nasdaq composite to all-time highs of their own. The artificial intelligence chip-maker closed Thursday’s trading with a valuation of more than $4 trillion,

Nvidia became the first company to hit $4 trillion in market cap on Wall Street. CNBC's Martin Soong and Chery Kang talked about the report that Nvidia could launch a new AI chip designed for China to circumvent U.