28 Stocks Moving In Wednesday's Mid-Day Session

Gainers

• SemiLEDs Corporation LEDS shares surged 43.7 percent to $6.18.
• CymaBay Therapeutics, Inc. CBAY shares jumped 20 percent to $14.48 after the company disclosed 'positive' new 12-week and 26-week results from its ongoing Phase 2 study of seladelpar in patients with primary biliary cholangitis at the International Liver Congress 2018.
• EyeGate Pharmaceuticals, Inc. EYEG surged 18 percent to $0.38930 as the company reported issuance of USPTO patent covering utility of iontophoretic contact lens.
• Pretium Resources Inc. PVG shares surged 16.7 percent to $8.0878 after the company issued Q1 production results.
• AeroVironment, Inc. AVAV climbed 16.3 percent to $53.92. Stifel Nicolaus upgraded AeroVironment from Hold to Buy.
• VirnetX Holding Corp VHC gained 14.5 percent to $4.6933 after the a federal jury ruled Apple must pay $502.6 million to VirnetX, according to Bloomberg.
• China Auto Logistics Inc. CALI shares rose 12.6 percent to $3.12.
• Fate Therapeutics, Inc. FATE climbed 10.5 percent to $11.12 after gaining 6.12 percent on Tuesday.
• Applied Optoelectronics, Inc. AAOI gained 10.2 percent to $28.01.
• Aptevo Therapeutics Inc. APVO shares jumped 9.4 percent to $3.59.
• Celsius Holdings, Inc. CELH rose 9 percent to $5.10.
• AVEO Pharmaceuticals, Inc. AVEO gained 8.2 percent to $2.63 after falling 2.80 percent on Tuesday.
• Synaptics Incorporated SYNA climbed 7.8 percent to $47.43. Mizuho upgraded Synaptics from Neutral to Buy.
• PCM, Inc. PCMI shares rose 7.1 percent to $9.15 after gaining 1.18 percent on Tuesday.
• B2Gold Corp. BTG shares gained 7 percent to $2.94 after the company reported strong Q1 gold production and revenue.
• Inovio Pharmaceuticals, Inc. INO climbed 5.9 percent to $5.04 after the company was awarded up to $56 million from the Coalition for Epidemic Preparedness Innovations. The proceeds will be used to support its pre-clinical and clinical advancement through phase 2 of INO-4500, a Lassa fever vaccine.
• Mattel, Inc. MAT rose 5.6 percent to $14.275. Jefferies upgraded Mattel from Underperform to Hold.
• Top Ships Inc. TOPS climbed 5.3 percent to $1.81. The tanker vessel company said it has regained compliance with the NASDAQ stock exchange's minimum bid price requirement.

Check out these big penny stock gainers and losers

Losers

• Babcock & Wilcox Enterprises, Inc. BW shares tumbled 37.8 percent to $2.34 after the company amended rights offering. The company increased size to $248 million and lowered per share subscription price from $3 to $2.
• QuinStreet, Inc. QNST shares fell 20 percent to $9.86 following Kerrisdale report.
• Intec Pharma Ltd. NTEC declined 18 percent to $5.25. Intec Pharma priced its 6.75 million share offering at $5.25 per share for gross proceeds of $35.4 million.
• Analogic Corporation ALOG shares dropped 13.1 percent to $83.45 after the company agreed to be acquired by Altaris Capital Affiliate for $84 per share.
• NuCana plc NCNA declined 11.8 percent to $26.01.
• Exela Technologies Inc XELA fell 8 percent to $5.17 after announcing a 1.05 million common share offering on behalf of Ex-Sigma 2.
• Aspen Group, Inc. ASPU declined 7.7 percent to $6.52 following $60 million mixed securities shelf offering.
• EXFO Inc EXFO shares dropped 6 percent to $3.95 following Q2 earnings.
• Hanwha Q Cells Co Ltd -ADR HQCL shares declined 5.6 percent to $7.36 after the company reported downbeat earnings for its fourth quarter.
• Fastenal Company FAST shares fell 5 percent to $51.70. Fastenal posted in-line quarterly results.