Opening Bell: U.S. Stocks Waver Ahead of July 4 Weekend; Apple in Talks to Buy Tidal

U.S. stocks opened slightly lower on Friday, following three straight sessions of gains. This comes as investors continued to digest last week's historic Brexit vote. Meanwhile, there are reports that Apple (AAPL) - Get Report is in discussions to acquire Tidal, a music streaming service owned by Jay Z, in an effort to strengthen its Apple Music service. Plus, Tesla (TSLA) - Get Report shares slipped after the company confirmed reports that regulators have been investigating the recent crash a Model S vehicle that killed one driver while the car was operating in autopilot mode. TheStreet's Scott Gamm reports from Wall Street.