TAKEOVERS: A series of corporate deals helped lift the market. Oracle, Cigna, Mattel and J.M. Smucker were among companies that announced acquisitions.
EUROPE: Investors are still waiting for a resolution to Europe's debt problems. European leaders said they made progress at a weekend summit and plan to unveil concrete plans for containing the crisis Wednesday.
COMEBACK: The Standard & Poor's 500 index rose to 1,254.19. It's the highest close for the S&P 500 since Aug 3. If the S&P 500 finishes the year with a gain, it will be its biggest turnaround since 1984.