first time, instantly leaping more than 70 percent above their offering price. The social network that reinvented global communication in 140-character bursts was valued at $31 billion.

4. FDA ORDERS PHASEOUT OF ARTIFICIAL TRANS FATS

Manufacturers have eliminated many of the artery-clogging trans fats, which are used in processed food and in restaurants. The average American still eats about a gram a day of them, and the FDA estimates the ban could prevent 20,000 heart attacks and 7,000 deaths each year.

5. INDIA LAUNCHES A SPACECRAFT TO MARS

The country hopes the $72 million mission will showcase its technological ability to explore the solar system while seeking solutions for problems on Earth.

6. GOP'S CHRIS CHRISTIE CRUISES TO RE-ELECTION AS NEW JERSEY GOVERNOR

In other off-year results, Democrat Terry McAuliffe narrowly won the Virginiaothers seeking to recover art looted in the Nazi era.

9. CHEF CHARLIE TROTTER DIES AT AGE 54

The Chicago restaurateur was synonymous with cutting-edge cuisine. He earned 10 James Beard Awards, wrote 10 cookbooks and in 1999 hosted his own public TV series, "The Kitchen Sessions with Charlie Trotter."

10. NFL INVESTIGATES ALLEGED HARASSMENT ON MIAMI DOLPHINS

Guard Richie Incognito, who is white, was suspended after allegations that he sent text messages that are said to be racist and threatening to biracial teammate Jonathan Martin, a tackle who has left the team for emotional counseling. The scandal started a debate about harassment, bullying, locker-room culture and workplace conduct.