Shares of 21Vianet Group (VNET) jump 13% premarket, following up a 7.8% upward swing yesterday....

|About: 21Vianet Group (VNET)|By:, SA News Editor

Shares of 21Vianet Group (VNET) jump 13% premarket, following up a 7.8% upward swing yesterday. The buying frenzy was fired up after the Internet services company landed on Tiger Global's 13F filing, as well as reporting it turned to a profit in Q3 on revenue that was 115% higher Y/Y.