Apple and Twitter report earnings

FortuneApple and Twitter report earnings - 5 things to watch in the week aheadFortuneMore tech earnings are on the way this week beginning Monday with Apple AAPL 0.52% , just days after making its highly-anticipated Watch available. Twitter TWTR -1.19% , GoPro GPRO -2.93% , LinkedIn LNKD 1.84% and Yelp YELP 0.58% also report this ...and more »