Business News Citigroup Inc. Downgrades Diamond Offshore Drilling, Inc. (NYSE:DO) to Sell October 21, 2017 johorbiznet Johor News Citigroup Inc. Downgrades Diamond Offshore Drilling, Inc. (NYSE:DO) to Sell TrueBlueTribune Cowen and Company Analysts Give Diamond Offshore Drilling, Inc. (DO) a $11.00 Price Target StockNewsTimes Diamond Offshore Drilling, Inc. (DO) Upgraded to “Neutral” by FBR & Co GkMen Full coverage Source: Business News Feed