IBM climbed after the tech giant raised its quarterly dividend by 13 percent and authorized an additional $7 billion stock buyback.

Corporations continued to post positive surprises in their earnings reports. AT&T and 3M gained after both Dow components posted quarterly profits that beat Wall Street expectations. Fellow Dow 30 member United Technologies beat on earnings but missed on revenue. ( Click here to track results .)

Apple, however, slumped for the 10th session out of the last 11 ahead of its earnings report after-the-bell following several reports are pointing to a weaker-than-expected quarter for the tech giant's iPhone sales. Wall Street analysts expect earnings of $10.02 a share on revenue of $36.7 billion, according to Thomson Reuters.

“If [Apple] doesn’t smash numbers, the stock is going to go down,” said Colin Gillis, senior technology analyst at BGC Financial on CNBC’s “ Squawk on the Street ." “The fast money has moved into this name, so if there’s any hiccup, it’s going to trade off.”

Juniper surged after the networking equipment maker posted earnings that topped estimates.

So far, 153 S&P 500 firms have reported earnings, with 76.5 percent of companies topping Wall Street expectations, according to data from Thomson Reuters.

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