Groupon leads techs up; Microsoft slips By: MarketWatch June 18, 2012 at 11:49 AM EDT Software giant stokes curiosity with plans for “major announcement” that could be its own tablet. Groupon jumps on Morgan Stanley upgrade. Read More >> Related Stocks: Apple Barnes & Noble Broadcom Corp Celestica Cisco Systems Groupon Cl A Hewlett-Packard International Business Machines Microsoft PHLX Semiconductor Sector Index Zynga Inc Cl A