China's Largest Dairy Operator Suddenly Crashes 90% To Record Low, Muddy Waters Says "Worth Close To Zero" Tyler Durden's picture by Tyler Durden Mar 24, 2017 12:03 AM 93 SHARES TwitterFacebookReddit In December 2016, Muddy Waters' Carson Block said China's largest dairy farm operator, Hong-Kong listed China Huishan Dairy Holdings Co., is "worth close to zero" and questioned its profitability in a report. Today, with no catalyst, it suddenly almost is. The stock collapsed over 90% in minutes to a record low. No catalyst? Now that's funny.