Stocks making the biggest move premarket: IBM, RHT, HSBC, BLMN, FDC & more

Stocks making the biggest move premarket: IBM, RHT, HSBC, BLMN, FDC & more  CNBC IBM Slides to 9-Year Low After $34 Billion Red Hat Deal; Moody's Warns on Rating  TheStreet.com IBM buys Red Hat in $34 billion deal, adding Linux distributor  CBS News RHT:New York Stock Quote - Red Hat Inc - Bloomberg Markets  Bloomberg IBM to Acquire Linux Distributor Red Hat for $33.4 Billion  BloombergFull coverage