OpenTableShares of OpenTable ( OPEN) fell in extended trades after the San Francisco-based online restaurant reservation company came in short on the top line with its latest results, reporting second-quarter revenue of $34.3 million vs. the average analysts' consensus view of $35.3 million. The company's non-GAAP profit, which excludes stock-based compensation expenses, totaled $8.1 million, or 33 cents a share, for the June-ended period, besting the average estimate of analysts polled by Thomson Reuters for earnings of 27 cents a share. "Our solid performance in the second quarter was driven by strong growth in the number of installed restaurants and seated diners globally," said Matt Roberts, the company's president and CEO, in a statement. "We're pleased with the continued momentum in our business and with the progress we're making across a variety of initiatives that support future growth." The stock slumped 6.5% in after-hours action to $64.41 on volume of more than 500,000, according to Nasdaq.com. The volatile shares were basically flat for the year ahead of the report, having dropped precipitously since hitting a 52-week high of $118.66 on April 25.