Benzinga's Top Downgrades By: Benzinga via Benzinga November 18, 2015 at 09:26 AM EST Analysts at Citigroup downgraded ZS Pharma Inc (NASDAQ: ZSPH) from Buy to Neutral. ZS Pharma shares closed at $89.36 on ... Read More >> Related Stocks: Arrowmark Financial Corp Citrix Systems Diana Shipping Inc Exxon Mobil Hartford Finl Services Gp Sm Energy Company