Nvidia Earnings and Fed Signals Keep Markets on Edge

U.S. stock futures were mixed in the overnight session on Monday as investors await key economic releases and earnings reports from top tech companies, including Nvidia Corp.

Nvidia's quarterly earnings are expected to be released after market close on Wednesday, with analysts predicting a 97.2% jump in sales for the quarter to $98.18 billion, marking the fastest pace of growth in a year.

The company's shares have declined nearly 3% over the past seven days, despite expectations of strong earnings.

Meanwhile, U.S. Treasury yields moved lower after reports that the Treasury could tap its nearly $1 trillion General Account to help fund an expanded government bond buyback program.