15 Biggest Mid-Day Losers For Monday

Gravity Co., LTD. (ADR) GRVY shares tumbled 22.8 percent to $20.99.
Armstrong Flooring Inc AFI shares dropped 10.3 percent to $19.69. Armstrong Flooring reported a Q4 loss of $6.3 million on revenue of $271.7 million.
Shiloh Industries, Inc. SHLO shares declined 15.5 percent to $13.84. Shiloh Industries is expected to release its Q1 results on Thursday, March 9, 2017.
Pareteum Corp TEUM shares fell 12.7 percent to $2.00. Pareteum shares have jumped 990.48 percent over the past 52 weeks, while the S&P 500 index has gained 19.05 percent in the same period.
MannKind Corporation MNKD shares declined 12.5 percent to $1.86.
FuelCell Energy Inc FCEL shares dropped 10 percent to $1.58. FuelCell Energy shares have declined 74.26 percent over the past 52 weeks, while the S&P 500 index has gained 19.05 percent in the same period.
Akorn, Inc. AKRX fell 7.7 percent to $22.27. Deutsche Bank downgraded Akorn from Buy to Hold.
GoPro Inc. GPRO shares declined 7.4 percent to $8.19. Goldman Sachs downgraded GoPro from Neutral to Sell.
AtriCure Inc. ATRC shares fell 6.6 percent to $17.71. AtriCure disclosed that it has hired Vinayak (Vini) Doraiswamy as its Senior Vice President of Clinical, Regulatory, and Scientific Affairs.
Trade Desk Inc TTD shares fell 6 percent to $41.93 after rising 5.09 percent on Friday.
Insulet Corporation PODD shares declined 5.5 percent to $43.74. BTIG Research downgraded Insulet from Buy to Neutral.
Snap Inc SNAP shares slipped 5.3 percent to $25.66. Needham initiated coverage on Snap with an Underperform rating.
Pernix Therapeutics Holdings Inc PTX shares fell 4.7 percent to $3.67 after gaining 6.35 percent on Friday.
Deutsche Bank AG (USA) DB fell 3 percent to $18.78. Deutsche Bank confirmed it was preparing to raise approximately 8 billion euros ($8.47 billion) and consider strategic measures.
Albemarle Corporation ALB dropped 3.5 percent to $101.08. Citigroup downgraded Albemarle from Buy to Neutral.