Canaccord Genuity Downgrades 21Vianet Group To Hold By: Benzinga via Benzinga November 26, 2014 at 07:41 AM EST Analysts at Canaccord Genuity downgraded 21Vianet Group (NASDAQ: VNET) from Buy to Hold. The price target for 21Vianet Group is set ... Read More >> Related Stocks: Vnet Group Inc