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


Apr 4, 2011 05:43PM 21Vianet Group, In.c (VNET) Files $150M IPO