Bank of Canada Raises Overnight Rate  OTTAWA (Reuters) - The Bank of Canada raised its overnight  interest rate a quarter percentage point on Tuesday to 2.50  percent as expected, and made clear it would keep raising rates  even as it lowered its forecast for Canadian growth.
Briefly: Web services security outfits merge roundup Plus: Groups push on for TV on cell phones...Shopping.com holders cut IPO shares...Transmeta starts new chip, warns on earnings.