3M (MMM) shares are slipping on Tuesday after the multinational conglomerate reported mixed results for its fiscal Q4 and issued muted guidance for the future. The company earned $1.83 a share (adjusted), handily beating experts’ forecast, but its adjusted sales at$6 billion came in slightly shy of expectations. More News from Barchart Following the post-earnings decline, 3M stock is down nearly 10% versus its year-to-date high. www.barchart.com Is It Worth Buying 3M Stock on the Post-Earnings Dip? ...