SAN FRANCISCO (MarketWatch) -- Tech stocks hunted for momentum in Monday's trading session, with Microsoft Corp. /quotes/comstock/15*!msft/quotes/nls/msft (MSFT 24.43, +0.08, +0.33%) and Isilon Systems Inc. /quotes/comstock/15*!isln/quotes/nls/isln (ISLN 23.88, -2.00, -7.73%) in the spotlight. Microsoft shares gave up 2% to trade at $23.85 after Goldman Sachs analyst Sarah Friar cut her rating on the software giant to neutral from buy and lowered her price target on the stock to $28 a share from $32. Isilon Systems shares climbed more than 13%, to $26.02, following reports that the data storage technology company is exploring a possible sale. The Nasdaq Composite Index /quotes/comstock/10y!i:comp (COMP 2,381, -19.17, -0.80%) fell 8 points to 2,362.
