The top after-market NYSE gainers on Tuesday are: Youku.com, Agria, CVR Energy, Mosaic Co, CGI Group, Potash Corp, Sally Beauty and American Greetings.

American Depositary Shares of Youku.com Inc. (NYSE:YOKU) surged 8.16 percent to $38.55 in aftermarket trading on Tuesday. The company announced late Tuesday that it has partnered with a major Hollywood studio on transactional on-demand streaming for one of the hottest films through Youku Premium.

American Depositary Shares of Agria Corp (NYSE:GRO) gained 3.52 percent to $2.06 in aftermarket trading session.

CVR Energy Inc. (NYSE:CVI) shares advanced 3.48 percent to $15.16 in aftermarket trading session. For the past 52-weeks, they have been trading in the range of $6.71 to $15.58.

Mosaic Co (NYSE:MOS) shares rose 3.21 percent to $77.41 in aftermarket trading session, following its higher second quarter profit on back of higher phosphate selling prices and potash sales volumes. Second quarter net income was $1.0 billion or $2.29 per share, up from $107.8 million or $0.24 per share in the same quarter a year ago.

CGI Group, Inc. (NYSE:GIB) shares went up 2.32 percent to $17.47 in aftermarket trading session. For the past 52-weeks, they have been trading in the range of $12.98 to $17.82.

Potash Corporation of Saskatchewan Inc. (NYSE:POT) shares gained 2.14 percent to $160.0 in aftermarket trading session.

Sally Beauty Holdings, Inc. (NYSE:SB) shares rose 1.98 percent to $14.96 in the aftermarket trading session.

American Greetings Corp (NYSE:AM) shares advanced 1.86 percent to $23.50 in aftermarket trading.

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