Google Inc.’s earnings topped analysts’ estimates amid slower spending, sending the stock up as much as 14 percent in late trading on investor optimism that the Internet search giant can keep costs in check.
Advertisers pay Google only if a user clicks on one of their ads. "Cost per click", or the average price of online ads, fell in the quarter, but was more than offset by the increase in ad volumes. Google's ad revenue has been under pressure as consumers access its services on mobile devices such as smartphones and tablets, whose advertising rates tend to be lower.
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