7.-- Target  said the Department of Justice has begun investigating the credit and debit card security breach at the retailer.

Target last week revealed that data connected to about 40 million credit and debit card accounts were stolen between Nov. 27 and Dec. 15. 

8.-- Shares of network and storage equipment maker  Xyratex soared more than 27% on Monday after agreeing to be acquired by Seagate Technology  for $13.25 a share, or about $374 million in cash.