Techs weighed by data; Groupon rises By: MarketWatch March 01, 2013 at 10:36 AM EST Apple, Amazon among decliners as U.S. personal incomes post biggest drop in 20 years. Groupon bucks losing trend to rise after firing CEO Andrew Mason. Read More >> Related Stocks: Amazon.com Apple Groupon Cl A Hewlett-Packard International Business Machines Microsoft PHLX Semiconductor Sector Index Salesforce Yahoo Zynga Inc Cl A