Twitter rises as other tech stocks retreat By: MarketWatch May 28, 2014 at 11:03 AM EDT Twitter Inc. is one of the few notable exceptions in a tech sector that was mostly down Wednesday. Read More >> Related Stocks: Amazon.com Apple Facebook Groupon Cl A Hewlett-Packard International Business Machines Micron Technology Microsoft PHLX Semiconductor Sector Index Twitter, Inc. Yahoo eBay