News Dow, hit by October blues, posts loss after Caterpillar, 3M offer worrisome forecasts October 23, 2018 Adam Shell, USA TODAY Comments Off on Dow, hit by October blues, posts loss after Caterpillar, 3M offer worrisome forecasts Stocks sold off again Tuesday after Caterpillar and 3M issued outlooks that worried investors. Stocks later recovered part of those losses.