U.S. stock futures were lower this morning, with the Dow futures falling more than 400 points on Friday.Shares of Coinbase Global, Inc COIN fell sharply in pre-market trading after the company reported worse-than-expected quarterly adjusted EPS and sales.Coinbase reported second-quarter revenue of $1.5 billion, down 26$1.69 billion, according to data from Benzinga Pro. Adjusted earnings per share of 12 cents missed the Street consensu ...