Jun 1, 2011 03:12PM UPDATE: William Blair Initiates Coverage on 21Vianet (VNET) at Outperform, Key Growth Driver In China's Internet Development
Jun 1, 2011 10:33AM Notable Analyst Rating Changes 06/01: (BLK) (ESV) (CNP) Upgraded; (NOK) (SQNS) (HNZ) Downgraded
Jun 1, 2011 08:29AM William Blair Starts 21Vianet (VNET) at Outperform
Apr 20, 2011 01:14PM 21Vianet (VNET) Increases IPO Size, Price Expectatons
Apr 6, 2011 05:15PM 21Vianet (VNET) Sees IPO Price of $10 - $12/ADS
Apr 4, 2011 05:43PM 21Vianet Group, In.c (VNET) Files $150M IPO