6 Dow reporters add a net 3 points to Dow's price, as Caterpillar's big gain offset by 3M's loss

The stock moves of the six Dow Jones Industrial Average components reporting first-quarter results are adding about a net 3 points to the Dow's price in premarket trade, with Caterpillar Inc. providing the biggest boost and 3M Co. shaving off the most. Dow futures rose 151 points. Caterpillar's stock surged 4.1% in premarket trade after blowout results, with the price gain adding about 44 points to the Dow's price. 3M shares sank 3.2% after a disappointing outlook, with the point drop subtracting about 47 points from the Dow's price. Elsewhere, United Technologies Corp.'s stock rose 1.9% to add about 16 points to the Dow; Coca-Cola Co. shares gained 1.2% to add a little over 3 points; Travelers Companies Inc.'s stock shed 2.4% to subtract about 22 points; shares of Verizon Communications Inc. climbed 2.9% while adding just shy of 10 points.