Increasing unusual option volume: ORA PENG MRAM INVZ BWA KDK MXL VNET

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21VIANET SP ADR-A (NASDAQ: VNET) Delayed: 7.70 --0 (-0%)
Previous Close $7.70    52 Week High $21.32 
Open $7.70    52 Week Low $6.77 
Day High $7.70    P/E N/A 
Day Low $7.70    EPS $0.00 
Volume 16,973