Friday November 27, 1:50 PM (EST) Mergers ax 5,000 jobs a month CHICAGO, Nov. 27 (UPI S) _ Even with the economy perking along and the stock market rebounding, nearly 55,000 workers have gotten the ax since July because of corporate mergers. That's an increase of 48 percent from last year, according to Challenger, Gray and Christmas, a Chicago-based outplacement firm.