Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga July 22, 2015 at 08:28 AM EDT XOMA Corp (NASDAQ: XOMA) shares declined 30.60 percent to $3.05 in pre-market trading following results of Phase 3 Eyeguard-B study. ... Read More >> Related Stocks: Apple Array Technologies Inc Astrazeneca Plc ADR Illumina Inc Radius Recycling Inc