Benzinga's Top Downgrades By: Benzinga via Benzinga August 30, 2016 at 08:56 AM EDT Analysts at Pacific Crest downgraded Imperva Inc (NYSE: IMPV) from Overweight to Sector Weight. Imperva shares fell ... Read More >> Related Stocks: Autodesk Heico Corp Mantech Intl Cp A Signet Jewelers Ltd