Dangdang Inc (ADR) (NASDAQ:DANG) was the recipient of some unusual options trading activity on Monday. Investors purchased 9,388 put options on the company. E Commerce China Dangdang Inc (ADR) (NYSE:DANG) stock performance was -10.77% in last session and finished the day at $16.65. Traded volume was 10.51million shares in the last session and the average volume of the stock remained 3.60million shares. E Commerce China … Continue reading Services Sector Top Losers: E Commerce China Dangdang (NYSE:DANG), Aeropostale Inc (NYSE:ARO), Ctrip.com (NASDAQ:CTRP), Qunar Cayman Islands (NASDAQ:QUNR)