Morning Movers: General Motors Drops on Downgrade; 3M, Boeing Boost Dividends

Selling has begotten more selling, as stocks look set for a lower open this morning. Associated Press S&P 500 futures have dropped 0.5%, Dow Jones Industrial futures have fallen 0.4% and Nasdaq Composite futures have declined 0.7%. 3M (MMM) has gained 1.1% to $158.50 after hiking its dividend and said it would earn between $8 [...]