Yelp’s big gains highlight broad tech rise By: MarketWatch August 01, 2013 at 11:33 AM EDT Online local-review company Yelp’s shares surge 23% following upbeat quarterly results. Gains also come from Pandora, Apple and LinkedIn Read More >> Related Stocks: Amazon.com Apple Google, Inc. Hewlett-Packard International Business Machines Netflix PHLX Semiconductor Sector Index Pandora Media Inc Teradata Corp Yelp Inc