U.S. stocks rallied for a third day on Monday as investors saw Google's offer for Motorola Mobility as a signal to jump back in after weeks of sharp selling.

The Dow Jones industrial average shot up 213.88 points, or 1.90 percent, to end unofficially at 11,482.90. The Standard & Poor's 500 Index gained 25.68 points, or 2.18 percent, to finish unofficially at 1,204.49. The Nasdaq Composite Index climbed 47.22 points, or 1.88 percent, to close unofficially at 2,555.20.

(Reporting by Ryan Vlastelica; Editing by Jan Paschal)