Questcor Pharmaceuticals Inc

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• Nasdaq stocks posting largest percentage decreases Wednesday, 15 May 2013 | 1:27 PM ET

  ExOne Co. fell 12.9 percent to $42.35. Alco Stores Inc. fell 8.8 percent to $8.69. Cordia Bancorp Inc. fell 8.6 percent to $5.31.

• MARKET PULSE-Merck, Chesapeake Energy, Mastercard, Neutral Tandem, Titan Pharma Wednesday, 1 May 2013 | 9:18 AM ET

  Wall Street was set for a slightly lower open on Wednesday, weighed by weak results from Merck and as investors waited to hear from the U.S. **MERCK& CO INC, Tuesday close $47, down 5 pct premarket. **CHESAPEAKE ENERGY CORP, Tuesday close $19.54, up 5 pct premarket.

• MARKET PULSE-Merck, Chesapeake Energy, Genworth, Neutral Tandem, Titan Pharma Wednesday, 1 May 2013 | 8:46 AM ET

  Wall Street was set for a flat open on Wednesday as investors waited to hear from the U.S. **MERCK& CO INC, Tuesday close $47, down 5 pct premarket. **CHESAPEAKE ENERGY CORP, Tuesday close $19.54, up 5 pct premarket.

• MARKET PULSE-Merck, Chesapeake Energy, Genworth, Comcast, Time Warner Wednesday, 1 May 2013 | 7:41 AM ET

  **MERCK& CO INC, Tuesday close $47, down 3 pct premarket. **CHESAPEAKE ENERGY CORP, Tuesday close $19.54, up 4 pct premarket. **GENWORTH FINANCIAL INC, Tuesday close $10.03, up 5 pct premarket.

• After-Hours Buzz: DWA, WU, QCOR & More Tuesday, 30 Apr 2013 | 5:07 PM ET

  

  Check out which companies are making headlines after the bell Tuesday:

• Questcor 1st-qtr adjusted profit missed estimates Tuesday, 30 Apr 2013 | 4:21 PM ET

  April 30- Questcor Pharmaceuticals Inc's first-quarter profit missed Street expectations as the number of prescriptions fell for its top-selling drug, Acthar, sending its shares down about 11 percent in after market trade.

• Lightning Round: Valero, ArcelorMittal & More Wednesday, 6 Mar 2013 | 6:46 PM ET

  

  It’s time for the Lightning Round. Cramer makes the call on viewer favorites.

• Lightning Round: Exelon, Lowe’s & More Tuesday, 8 Jan 2013 | 6:39 PM ET

  

  It’s time for the Lightning Round. Cramer makes the call on viewer favorites.

• After-Hours Buzz: GRPN, YUM, ZUMZ & More Thursday, 29 Nov 2012 | 5:03 PM ET

  

  Check out which companies are making headlines after the bell Thursday: