ManTech Slides Over 7% After Credit Suisse Downgrade By: Benzinga via Benzinga September 29, 2016 at 15:43 PM EDT Shares of Mantech International Corp (NASDAQ: MANT) suffered a drop of more than 7 percent after Credit Suisse downgraded the stock from ... Read More >> Related Stocks: Bio-Techne Corp Mantech Intl Cp A