Dow, S&P 500, and Nasdaq futures are falling in premarket trading Tuesday as the stock market reacts to President-elect Donald Trump saying he would impose steep tariffs on Mexico, Canada, and China.

NVIDIA's stock fell over 4%, losing its title as the most valuable company amid U.S. export control concerns on China.

Englander has taken a contrarian approach by selling Wall Street's hottest artificial intelligence (AI) stock in favor of a premier healthcare company that's more than 90% below its all-time high.