15 Biggest Mid-Day Losers For Tuesday

BT Group plc (ADR) BT shares dropped 20.8 percent to $19.35 after the company lowered its 2017 and 2018 guidance due to Italian accounting errors.
Bioamber Inc BIOA shares declined 18.6 percent to $4.28. BioAmber increased its previously reported public offering to US$17.5 million.
DryShips Inc. DRYS shares tumbled 16.4 percent to $4.51. DryShips shares have dropped 97.23 percent over the past 52 weeks, while the S&P 500 index has gained 20.68 percent in the same period.
Ocular Therapeutix Inc OCUL declined 12.7 percent to $6.59. Ocular Therapeutic priced 3.5 million shares at $7 per share.
Energous Corp WATT fell 12.2 percent to $15.55. Oppenheimer downgraded Energous from Outperform to Perform.
Nantkwest Inc NK shares fell 9.9 percent to $5.75. Jefferies downgraded Nantkwest from Buy to Hold.
Fortuna Silver Mines Inc FSM shares declined 9.1 percent to $6.23 as the company reported a US$65 million bought deal financing.
Sunshine Heart Inc SSH shares dropped 9 percent to $5.56 after gaining 5.89 percent on Monday.
GasLog Partners LP GLOP fell 6.6 percent to $20.59 after the company announced a public offering of 3.75 million common units.
Globus Maritime Ltd GLBS shares fell 5.3 percent to $10.20 after gaining 11.03 percent on Monday.
Verizon Communications Inc. VZ shares declined 4.3 percent to $50.16 after the company reported weaker-than-expected earnings for its fourth quarter.
AMN Healthcare Services, Inc. AMN dropped 4.2 percent to $35.00. Avondale Partners downgraded AMN Healthcare from Market Outperform to Market Perform.
Silicon Motion Technology Corp. (ADR) SIMO shares fell 3.6 percent to $41.78. Silicon Motion posted upbeat results for its first quarter, but issued a weak revenue forecast for the current quarter.
Polaris Industries Inc. PII fell 3 percent to $85.19 after the company reported weak quarterly earnings.
Lockheed Martin Corporation LMT fell 2.2 percent to $252.06. Lockheed Martin posted better-than-expected results for its fourth quarter, but issued a weak profit outlook for 2017.