Yahoo rallies, but Seagate, Apple slip By: MarketWatch October 29, 2013 at 09:38 AM EDT Yahoo shares rally on a Bernstein upgrade. But Seagate and Apple slip on results. Sanmina, 3D Systenms and CommVault also retreat Read More >> Related Stocks: 3D Systems Corp Apple Commvault Systems Facebook Microsoft PHLX Semiconductor Sector Index Sanmina Corp Seagate Technology Plc Yahoo