The S&P 500 struggled at the open, but over 350 stocks in the index were rising despite a 0.6% overall decrease. The Invesco S&P 500 Equal Weight ETF was up 0.2%, while the Dow fell 0.1% and the Nasdaq Composite dropped 1.1%. Nvidia was a drag on all three indexes. Big laggards included AMD, Oracle, Super Micro Computer, Coinbase, Robinhood, and Analog Devices.

Read more at Dow Jones & Company: The Stock Market Is Struggling. Blame Nvidia, Crypto Stocks.