Techs edge up in bid for fourth day of gains By: MarketWatch March 13, 2009 at 09:21 AM EDT The tech sector edged up Friday morning in a bid for a fourth day of gains. Dell Inc. and Palm Inc. rose in early trading on analyst upgrades. Read More >> Related Stocks: Amazon.com Apple Applied Materials Hewlett-Packard Intel Corp KLA-Tencor Corp Lam Research Microsoft