20 Biggest Mid-Day Gainers For Wednesday

Stone Energy Corporation SGY shares surged 268.3 percent to $25.62. On Tuesday, Stone Energy reported the successful completion of financial restructuring and emergence from bankruptcy. National Securities upgraded Stone Energy to Buy.
Dynavax Technologies Corporation DVAX shares jumped 63.3 percent to $7.35 after the company reported the FDA acceptance for review of its November's HEPLISAV-B CRL.
Skyline Medical Inc SKLN shares climbed 39.6 percent to $2.68 as the company disclosed that it has been awarded an Innovative Technology contract from Vizient for STREAMWAY System.
Weight Watchers International, Inc. WTW shares climbed 26.1 percent to $18.15 as the company posted stronger-than-expected results for its fourth quarter on Tuesday.
Neuroderm Ltd NDRM gained 25.7 percent to $29.10 after the company disclosed that it has achieved primary endpoint in ND0612H Phase 2 trial for advanced Parkinson's disease.
Clean Energy Fuels Corp CLNE shares climbed 19 percent to $2.91 after BP plc (ADR) BP agreed to pay $155 million for Clean Energy's existing biomethane production facilities.
Office Depot Inc ODP gained 17 percent to $4.85 after the company posted upbeat quarterly results.
Aegion Corp AEGN shares rose 15.8 percent to $26.35 on better-than-expected quarterly profit.
Builders FirstSource, Inc. BLDR shares jumped 15.7 percent to $14.98 after the company posted upbeat Q4 results.
Darling Ingredients Inc DAR shares rose 13.5 percent to $14.77 on strong results for its fourth quarter.
Pacira Pharmaceuticals Inc PCRX gained 12.8 percent to $49.28 after the company posted strong Q4 earnings.
Amicus Therapeutics, Inc. FOLD shares climbed 11.3 percent to $7.22. Amicus reported a FY16 loss of $1.49 per share on revenue of $4.958 million.
Tribune Media Co TRCO climbed 10.2 percent to $38.04. Tribune Media reported Q4 earnings of $0.22 per share on sales of $529.6 million, and announced a $400 million buyback plan.
Lowe's Companies, Inc. LOW rose 9.8 percent to $81.68 as the company reported upbeat results for its fourth quarter and issued strong sales outlook for 2017.
Leap Therapeutics Inc LPTX climbed 9.2 percent to $7.80. Raymond James initiated coverage on Leap Therapeutics with an Outperform rating.
Big 5 Sporting Goods Corporation BGFV rose 8.7 percent to $14.62 after the company reported upbeat Q4 earnings and issued a strong forecast.
GMS Inc GMS gained 6 percent to $31.86. Baird upgraded GMS from Neutral to Outperform.
Halcon Resources Corporation HK gained 5.3 percent to $8.53 on upbeat quarterly earnings. Johnson Rice upgraded Halcon Resources from Hold to Accumulate.
PDL BioPharma Inc PDLI rose 3.7 percent to $2.22. PDL BioPharma reported a $30 million buyback plan.
Dollar Tree, Inc. DLTR rose 2.1 percent to $78.27 after reporting upbeat quarterly results.