Bellwether semiconductor companies advance in spite of a raft of earnings warnings from Texas Instruments and Broadcom. National Semiconductor rose more than 13%. The chipmaker said Monday that it would scale back its production due to a weak quarterly earnings and sales report. Novellus also said its fourth-quarter results would be below its current estimates. However, it looks like tech stocks shrugg off negative news and poised to extend recent gains.Current NASDAQ Futures: +13.00 1230.00
