Morning Market Losers By: Benzinga via Benzinga April 09, 2014 at 09:48 AM EDT Intuitive Surgical (NASDAQ: ISRG) shares tumbled 8.04% to $450.45 after the company issued downbeat revenue forecast for the ... Read More >> Related Stocks: Ashford Hospitality Trust Inc General Motors Halozyme Therapeutic Intuitive Surgical Mistras Group Inc W D 40 Company