During the day, shares of the Mountain View, Calif., company touched a record $765 before falling back to close $7.28 or 1 percent, above the Friday close.
At Monday’s level, Google is now the No. 2 technology company by value, behind only rival Apple (Nasdaq: AAPL), the world's most valuable technology company, whose shares dropped $7.71 to $659.30, valuing the Cupertino, Calif., company at $618.12 billion.
Exxon Mobil, the No. 2 most valuable U.S. company, closed at $91.69, up 24 cents, valuing the Irving, Tex., energy giant at $423.2 billion.