Insiders are generally long-term investors due to restriction in making short-term profits. In contrast, wealth management institutions always have short-term investment. Wall St. Watchdog reveals information regarding the insiders and institutions which recently decreased stock shares of E-Commerce China Dangdang Inc. (NYSE:DANG).

SEC data indicate that these institutions significantly reduced their stock shares of E-Commerce China Dangdang Inc. in Q3 2011:

CITADEL ADVISORS LLC: On 06/30/2011, held 1,614,980 shares, worth $18,717,618. On 09/30/2011, held 0 shares.

MIURA GLOBAL MANAGEMENT, LLC: On 06/30/2011, held 1,190,000 shares, worth $13,792,100. On 09/30/2011, held 0 shares.

D. E. SHAW & CO., INC.: On 06/30/2011, held 275,678 shares, worth $3,195,108. On 09/30/2011, held 0 shares.

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM: On 06/30/2011, held 202,571 shares, worth $2,347,798. On 09/30/2011, held 0 shares.

MAZAMA CAPITAL MANAGEMENT INC: On 06/30/2011, held 183,364 shares, worth $2,125,189. On 09/30/2011, held 0 shares.

About the company: E-Commerce China Dangdang, Inc. is a business-to-consumer Internet retailer. The Company sells books and other media; beauty and personal care; home and lifestyle; baby, children and maternity products; and various apparel including jackets, shoes, and men’s and women’s apparel.

Competitors to Watch: Amazon.com, Inc. (NASDAQ:AMZN), eBay Inc. (NASDAQ:EBAY), Mecox Lane Limited ADR (NASDAQ:MCOX),Youku.com(NYSE:YOKU), Liquidity Services, Inc. (NASDAQ:LQDT), Gaiam, Inc. (NASDAQ:GAIA), PC Connection, Inc. (NASDAQ:PCCC), PC Mall, Inc. (NASDAQ:MALL), Changyou.com (NASDAQ:CYOU), and Renren Inc (NYSE:RENN).

(Note: Data regarding E-Commerce China Dangdang Inc.’s stock holdings are sourced from whalewisdom.com. All data are assumed to be accurate.)

Advantage: Check out our interactive stock charts, fundamentals, Twitter stream, and more >>

Improve Your 2011 Financial Health: Join the winning team of stock pickers with Wall St. Cheat Sheet’s acclaimed premium newsletter>>

Get Your FREE Special Report: 4 Things You Must Know About the US Economy Now!