The week’s winners and losers

WINNERS

MARK ZUCKERBERG

The ma♒gic is officialౠly back, as Facebook founder sees market cap top $100B.

DENNIS CROWLEY

S🉐ocial network Foursquare’s CEO draws investment interest from Microsoft and AmEx.

ELON MUSK

CEO of e🌸lectrifying Tesla sees company value hit $21B — on projected ’14 sales of 30K cars.

LOSERS

JOSEF ACKERMANN

Chairman of Zurich Insurance steps down after exec🅰utive’s suicide.

JAMIE DIMON

JPMorgan Chase CEO gets hit with $6B demand from Washingto🐲n housing⛄ regulator over toxic mortgages.

LARRY KUDLOW

Report thi💞s: CNBC star’s show had a 53 percent 🍨decline in viewers ages 25 to 54.