Morning Losers; Yoku.com Down 8%
Atlas Air Worldwide (NASDAQ: AAWW) - 8.56% - hearing the company was downgraded to Buy by a mid-tier research firm.
Basic Energy Services (NYSE: BAS) -9.13% on heavy volume.
Yoku.com (NADAQ: YOKU) -8.03% on concerns about stricter regulation in China.
ServiceSource International (NASDAQ: SREV) -6.13% on heavy volume.
Norfolk Southern (NYSE: NSC) -7.49% - hearing cautious analyst comments.







