BloombergZynga Rises in Debut After Raising $1B in IPOBloombergBy Lee Spears and Douglas MacMillan - Fri Dec 16 16:08:35 GMT 2011 Zynga CEO Mark Pincus speaks at a Zynga event in San Francisco. Photographer: Jeff Chiu/AP Dec. 15 (Bloomberg) -- Brian Bolan, an independent research analyst, and Sam Hamadeh, ...Zynga IPO pops 10% - then sinksCNNFarmville Maker Zynga IPO Valued at $7 BillionABC NewsAnalysts Cautious Ahead of Zynga's Market DebutCNBC.comThe Associated Press -MarketWatch -Houston Chronicleall 831 news articles »