Benzinga's Top Downgrades By: Benzinga via Benzinga March 28, 2014 at 08:23 AM EDT Analysts at RBC Capital downgraded CIENA (NASDAQ: CIEN) from “outperform” to “sector perform.” The target price for CIENA is set to $28. ... Read More >> Related Stocks: Ambac Financial Group Ciena Corp Citigroup PG&E Corp