10 Biggest Mid-Day Losers For Monday - Appian (NASDAQ:APPN)

Performant Financial Corp PFMT shares tumbled 27.8 percent to $1.82 after the company reported the termination of student loan recovery contract with its principal customer, Great Lakes Higher Education Guaranty Corp.
Celsion Corporation CLSN shares dipped 23.4 percent to $2.45 after the company announced plans to sell 2 million shares of stock or pre-funded warrants at price of $2.75 per share.
Sorl Auto Parts, Inc. SORL shares fell 9.6 percent to $6.31.
CGG SA (ADR) CGG shares dropped 9.2 percent to $4.76.
EQT Corporation EQT shares declined 9.1 percent to $53.45 after the company announced plans to buy Rice Energy Inc RICE for $6.7 billion.
EXCO Resources Inc XCO shares dropped 6 percent to $3.95.
Seattle Genetics, Inc. SGEN shares fell 4.6 percent to $61.57 after the company disclosed that it has discontinued its Phase 3 CASCADE trial in frontline acute myeloid leukemia.
TESARO Inc TSRO shares declined 3.5 percent to $139.30 after gaining 0.06 percent on Friday.
Allscripts Healthcare Solutions Inc MDRX dropped 3.2 percent to $12.08. Leerink Swann downgraded Allscripts Healthcare from Outperform to Market Perform.
Appian Corp APPN fell 2.7 percent to $17.73. Canaccord Genuity initiated coverage on Appian with a Hold rating, while Cowen initiated coverage on the stock with an Outperform rating.