US STOCKS-Wall St set to open lower as tech earnings weigh

miércoles 22 de julio de 2015 09:01 GYT

* Apple slumps after revenue forecast misses expectations

* Microsoft, Yahoo lower after results disappoint

* Thoratec jumps after $3.4 bln St. Jude deal

* Futures down: Dow 75 pts, S&P 11 pts, Nasdaq 67 pts (Adds details, comment, updates prices)

By Tanya Agrawal

July 22 (Reuters) - Wall Street was set to open lower on Wednesday as the initial optimism over earnings faded after disappointing results from technology giants including Apple and Microsoft.

Apple shares slumped 7 percent to $121.58 in premarket trading, a day after the iPhone maker's revenue forecast for the fourth quarter fell below expectations.

Microsoft fell 3.5 percent to $45.64 after reporting its biggest quarterly loss, as the company wrote down its Nokia phone business and demand fell for its Windows operating system.

Yahoo was down 2.3 percent at $38.85 after it forecast lower-than-expected revenue for the current quarter as it struggles to revive its core online advertising business.   Continuación...