Nymox Pharmaceutical (NASDAQ:

) shares tumbled 84.15% to $0.81 on failed NX-1207 trial. PhotoMedex (NASDAQ:

) shares declined 13.97% to $3.30. PhotoMedex is expected to report Q3 financial results on November 6, 2014. American Realty Capital Properties (NASDAQ:

) shares dropped 12.63% to $7.75 after RCS Capital (NYSE:

) terminated its agreement to acquire Cole Capital from American Realty Capital. RCS Capital (NYSE:

) shares dropped 10.60% to $14.67 after the company terminated its agreement to acquire Cole Capital from American Realty Capital. Galena Biopharma (NASDAQ:

) shares slipped 6.83% to $1.91. Galena Biopharma is expected to post its quarterly earnings after the closing bell. Sears Holdings (NASDAQ:

) shares fell 3.75% to $33.61 after dropping 4.95% on Friday. Changyou.com (NASDAQ:

) shares slipped 3.16% to $23.28 after the company reported Q3 unaudited financial results and announced management changes. Central European Media Enterprises (NASDAQ:

) shares declined 2.47% to $2.37 after falling 1.22% on Friday. Twitter (NYSE:

) slipped 2.39% to $40.48. Morgan Stanley initiated coverage on shares of Twitter with an Equal-weight rating and $42 price target. Sohu.com (NASDAQ:

) shares fell 1.26% to $47.98 after the company reported a Q3 loss of $0.74 per share on revenue of $430.40 million. The company announced the resignation of its Chief Executive Officer Mr. Tao Wang.