Benzinga's Top Downgrades By: Benzinga via Benzinga March 11, 2014 at 08:35 AM EDT Analysts at McNicoll Lewis Valk downgraded XOMA (NASDAQ: XOMA) from “buy” to “hold.” The price target for XOMA has been lowered from $8 ... Read More >> Related Stocks: FMC Corp U.S. Bancorp Vipshop Holdings Ltd ADR