S Short    W Contest winner
Yahoo (May 15)
YAHOO INC (Dec 16)
YAHOO INC (Feb 16)
YAHOO INC (Mar 11)
YAHOO INC (Apr 10)
Yahoo Japan (Jan 17)
Yahoo! (Dec 07)
YAMANA GOLD INC (Apr 13)
YANDEX NV (Apr 14)
Yeebo International Holdings (Jul 15)
YELLOW MEDIA INC (Oct 12)
YELLOW MEDIA LTD (Dec 13)
YELLOW MEDIA LTD (Dec 13)
YELLOW MEDIA LTD (Mar 13)
Yelp (Jul 15)
Yelp (Apr 12) S
Yen Put (Aug 16) S
Yen Put Option (Aug 11) S
Yingde Gas (Apr 16)
YONGYE INTERNATIONAL INC (Jan 12) S
Yorkey Optical International (Dec 08)
YOUKU TUDOU INC (Apr 15)
Youku.com (Dec 10) S
YOUNG BROADCASTING INC-A (May 07)
Young Poong Paper Mfg Co., Ltd. (Feb 10)