Shares of 3M (MMM) are under pressure on Tuesday after RBC Capital analyst Deane Dray downgraded the stock to Sector Perform as he expects the overhang on the shares from macro pressure and litigation to persist. Further, he believes… To see the rest of the story go to thefly.com. (See Story Here):(https://www.thefly.com/permalinks/entry.php/id2930786/-M-slides-as-analyst-cites-risk-of-more-guidance-cuts-in-downgrade)