Opening Bell: U.S. Stocks Slip on Brexit Worries; Tesla Sinks on Delivery Woes

U.S. stocks slipped on Tuesday, following the long holiday weekend. Brexit fears were back in focus as the pound hit at 31-year low against the dollar and the Bank of England announced that it will cut capital requirements for UK banks, enabling them to boost lending. Meanwhile, Tesla (TSLA) - Get Report shares lost steam after announcing lower-than-expected second-quarter sales figures. The automaker produced 18,345 cars during second quarter. Deliveries stood at 14,370, missing estimates of 17,000. Netflix (NFLX) - Get Report shares were downgraded to HOLD from BUY at Needham, citing concerns that Brexit may lower UK and eurozone GDP growth over the coming years, which could ding subscriber growth. TheStreet's Scott Gamm reports from Wall Street.