15 Biggest Mid-Day Losers For Tuesday

Concord Medical Services Hldg Ltd (ADR) CCM shares dropped 19.8 percent to $3.31.
Alexion Pharmaceuticals, Inc. ALXN fell 9.6 percent to $104.42 after the company disclosed leadership changes. The company announced the resignation of CFO Dave Anderson. JPMorgan downgraded Alexion Pharmaceuticals from Overweight to Neutral.
AirMedia Group Inc (ADR) AMCN shares plunged 9 percent to $1.82 as the company reported the receipt of deficiency letter from the NASDAQ.
AutoZone, Inc. AZO declined 8.6 percent to $602.89 after the company posted weaker-than-expected earnings for its third quarter.
Kirkland's, Inc. KIRK shares tumbled 8.3 percent to $9.17 after the company posted a wider-than-expected loss for its first quarter.
Kosmos Energy Ltd KOS shares dropped 7.7 percent to $7.24. Kosmos Energy reported a 40 million share secondary offering of common stock.
Nordson Corporation NDSN shares dipped 7.5 percent to $121.27. Nordson posted upbeat results for its second quarter on Monday.
DSW Inc. DSW dropped 6.9 percent to $16.44 after the company posted downbeat quarterly profit.
Sorl Auto Parts, Inc. SORL shares fell 6.4 percent to $8.18 after surging 22.58 percent on Monday.
Xilinx, Inc. XLNX fell 5.6 percent to $63.73. Wells Fargo downgraded Xilinx from Outperform to Market Perform.
Helmerich & Payne, Inc. HP dropped 5.6 percent to $56.67. Goldman Sachs downgraded Helmerich & Payne from Neutral to Sell.
MiMedx Group Inc MDXG fell 4.7 percent to $13.65. First Analysis downgraded MiMedx from Equal-Weight to Underweight.
Papa Murphy's Holdings Inc FRSH declined 3.8 percent to $4.85. Wells Fargo downgraded Papa Murphy's from Outperform to Market Perform.
Advance Auto Parts, Inc. AAP fell 3.4 percent to $142.35 after dropping 2.71 percent on Monday.
Spi Energy Co Ltd (ADR) SPI shares fell 3 percent to $0.370 after the company reported the receipt of delinquency notice from the NASDAQ.