15 Biggest Mid-Day Gainers For Thursday

Immune Pharmaceuticals Inc IMNP shares surged 57.7 percent to $3.85 after the company reported signing of letter of intent with Pint Pharma for license and commercialization of Ceplene in Latin America.
North Atlantic Drilling Ltd. NADL shares climbed 24.2 percent to $2.46 after gaining 13.79 percent on Wednesday.
Select Comfort Corp. SCSS shares climbed 20.8 percent to $31.25 after the company reported stronger-than-expected Q1 results.
Datawatch Corporation DWCH shares gained 14.1 percent to $8.10 after the company reported a narrower-than-expected quarterly loss.
Interpace Diagnostics Group Inc IDXG shares rose 11.7 percent to $2.83. Interpace Diagnostics reported that it has converted all long-term secured debt into common stock.
Microvision, Inc. MVIS gained 11.2 percent to $2.48 as the company disclosed that it has been awarded a development and supply contract for Laser Beam Scanning display system by a major technology company.
KCG Holdings, Inc. KCG jumped 11.1 percent to $19.72 as Virtu Financial agreed to buy KCG for $20 per share.
SunCoke Energy Inc SXC gained 9.5 percent to $9.10. SunCoke Energy reported Q1 net income of $1 million on revenue of $309.7 million.
Virtu Financial Inc VIRT shares surged 8.7 percent to $16.25 after the company announced plans to buy KCG for $1.4 billion.
SLM Corp SLM gained 8.4 percent to $12.50 after the company posted upbeat quarterly earnings.
CSX Corporation CSX gained 6.3 percent to $49.90 as the company posted better-than-expected profit for its first quarter.
Genesco Inc. GCO shares rose 5.1 percent to $53.85. Piper Jaffray upgraded Genesco from Neutral to Overweight.
American Express Company AXP rose 3.4 percent to $78.08 as the company posted stronger-than-expected profit for its first quarter on Wednesday.
NXT-ID Inc NXTD shares climbed 3.2 percent to $1.63. Maxim Group initiated coverage on NXT-ID with a Buy rating.
Gap Inc GPS gained 3.1 percent to $24.97. JP Morgan upgraded Gap from Underweight to Neutral.