The S&P 500 was virtually unchanged in midday trading and just a bit below its all-time high, even as more than four out of every five stocks within the index fell.

Key Points Nvidia says it's getting the green light from the U.S. government to apply for an export license for H20 chips.The loss of H20 chips put a dent in Nvidia's financials.10 stocks we like better than Nvidia › Nvidia's (NASDAQ: NVDA) strong Q1 results were overshadowed by the U.