Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga November 06, 2015 at 08:09 AM EST ZS Pharma Inc (NASDAQ: ZSPH) shares surged 40.51 percent to $88.96 in pre-market trading after the company agreed to be acquired by ... Read More >> Related Stocks: Astrazeneca Plc ADR Cellectis S.A. ADR Horizon Therapeutics NVIDIA Corp