shares of mosaic co mos dropped 040 to 4706 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 156 to 392886 and dow jones industrial average djia falling 181 to 3329696 mosaic co closed 3222 short of its 52week high 7928 which the company achieved on april 18th trading volume 35 m remained 608803 below its 50day average volume of 41 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use