US STOCKS-Wall St falls after Apple results disappoint
* Apple slumps after revenue forecast misses expectations
* Microsoft, Yahoo lower after results disappoint
* Thoratec jumps after $3.4 bln St. Jude deal
* Indexes down: Dow 0.12 pct, S&P 0.26 pct, Nasdaq 0.84 pct (Updates to open)
By Tanya Agrawal
July 22 (Reuters) - U.S. stocks fell in early trading on Wednesday, with the tech-heavy Nasdaq composite falling more than 1 percent after disappointing results from technology giants including Apple, the world's largest publicly traded company.
Apple shares slumped as much as 6.7 percent to $121.99, a day after the iPhone maker's revenue forecast for the fourth quarter fell below expectations.
The stock was the biggest drag on all three major indexes.
Microsoft fell as much as 4 percent to $45.35 after reporting its biggest quarterly loss, as the company wrote down its Nokia phone business and demand fell for its Windows operating system. Continuación...