at Investor's Business Daily (Thu, 2:32PM)
Yelp (YELP +2.2%) rallies after the company makes note of the improved Siri integration provided for Yelp's content with Apple's recently-released iOS 5.1. Unlike the initial implementation of Yelp on Siri, the iOS 5.1 release allows users to access Yelp's review pages by tapping on the business listings turned up by Siri.
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