Benzinga's Volume Movers By: Benzinga via Benzinga December 01, 2014 at 10:34 AM EST 21Vianet Group (NASDAQ: VNET) shares climbed 3.40% to $19.46. The volume of 21Vianet Group shares traded was 618% higher than normal. ... Read More >> Related Stocks: Greenlight Cap. Re. Re/Max Holdings Inc Vnet Group Inc