New York-based CPAC ( CPAK) rose after the cleaning-product maker announced it would be bought by privately held Buckingham Capital Partners for $8.65 a share, or about $42.8 million. The transaction is expected to be completed in the first quarter of 2007. Shares were up 61 cents, or 7.8%, to $8.46. Outsourcer Ness Technologies ( NSTC) fell on news that Raviv Zoller, who has been president and chief executive of the Israeli company since mid-2001, will step down at the end of the first quarter in 2007. Sachi Gerlitz, formerly a partner with global private-equity firm Apax Partners, will take his place by Jan. 10. Shares were down 61 cents, or 4.2%, to $14.03.