Stocks surged higher on Thursday, with the S&P 500 index aiming to snap a four-day losing streak as investors assess the latest wave of corporate earnings.
Wall Street opens weaker due to decline in tech stocks, Nasdaq falls by 1.5%. Investors await FOMC minutes and Nvidia earnings. Walmart and Discover Inc. report strong earnings, Expeditors Int'l and Westlake Chemical Partners LP experience declines.