Benzinga's Top #PreMarket Gainers

Time Warner Cable TWC surged 9.87% to $148.65 in the pre-market session after Comcast CMCSA agreed to acquire Time Warner Cable for $45.2 billion in stock Nanosphere NSPH soared 5.51% to $2.49 in the pre-market trading after surging 10.23% on Wednesday. Analysts at Roth Capital upgraded the stock from Neutral to Buy and lifted the price target from $2.50 to $3. Cablevision Systems CVC shares jumped 4.91% to $17.72 in pre-market trading after gaining 0.21% on Wednesday. NVIDIA NVDA shares gained 3.92% to $17.49 in the pre-market after the company reported upbeat Q4 results. B. Riley & Co upgraded the stock from Neutral to Buy and lifted the price target from $14 to $21.