Morning Market Losers

shares tumbled 32.86 percent to $5.17. Supercom expects Q3 revenue of $5.5 million to $6.1 million and FY revenue to exceed $30 million. The company also announced a contract of $8 million.

shares dipped 23.03 percent to $0.785 after gaining 47.83 percent on Friday. Martin Shkreli in YouTube live stream on Sunday said that Cyclacel Pharmaceuticals stock is worthless.

shares slipped 15.73 percent to $9.32. Martin Shkreli said that AEterna Zentaris is worthless.

dropped 10.66 percent to $2.18 after jumping 25.77 percent on Friday. Martin Shkreli said that Macrocure is worthless.

shares declined 8.73 percent to $31.79 after gaining 30.79 percent on Friday.

shares slipped 8.34 percent to $49.67. Jefferies downgraded Prestige Brand Holdings from Hold to Underperform and raised the price target to $44.00.

shares dropped 7.91 percent to $4.14 after the company reported that it will hold a special meeting of stockholders on December 30, 2015 to vote on its "going private" transaction.

shares fell 6.57 percent to $49.05. FBR Capital downgraded Lululemon Athletica from Market Perform to Underperform and lowered the price target from $55.00 to $42.00.