NEW YORK -- Cablevision Systems Corp. is buying the Long Island-based newspaper Newsday from Tribune Co.   Full Story

MICHAEL LIEDTKE SAN FRANCISCO -- Yahoo shares fell more than 15 percent Monday as hopes for the once-dominant Internet icon dimmed following Microsoft's withdrawal of a $47.   Full Story

JOHN WILEN NEW YORK -- Oil futures surged to a new record over $120 a barrel Monday, raising concerns about higher prices for gasoline and goods and services throughout the economy.   Full Story

ELLEN SIMON NEW YORK -- The nation's service economy unexpectedly expanded in April after contracting for the previous three months.   Full Story