WINNERS

JACK DORSEY

Twitter co-founder & Square CEO now has his billionaire club membership card.

LIZ BESHEL ROBINSON

Goldman Sachs treasurer takes lead on important call to analysts. Is she being groomed for leadership position?

GARY BARBER

Co-CEO helps lead MGM all the way back from bankruptcy; revitalized studio files for IPO.

LOSERS

SANDY WEILL

Ex-Citi chief, currently Mr. Irrelevant, urges breakup of megabanks (that he started).

TECH WRECKS

Hiss, is the bubble deflating? Amazon, Apple, Facebook, Netflix, Zynga miss Street earning estimates.

TINA BROWN

Newsweek Daily Beast chief “gobsmacked” by boss Barry Diller’s plan to go all digital.