Stocks of earnings reporters would add nearly 80 points to the Dow's price

Four of the five Dow Jones Industrial Average (DOW:DJIA) components are contributing to the index's gains, as they would roughly add a net 77 points the Dow's price. Meanwhile, Dow futures (CBT:YM00) rose 36 points, or 0.1%, ahead of the open. The biggest gainer was Coca-Cola Co.'s stock (NYS:KO) , which rose 2.7%, with the implied price gain adding about 10 points to the Dow's price, after better-than-expected third-quarter results. Next was McDonald's Corp.'s stock (NYS:MCD) , which gained 2.6% ahead of the open to add about 40 points to the Dow after upbeat 3Q results. Elsewhere, Microsoft Corp. shares (NAS:MSFT) rose 1.8% to add about 37 Dow points after record 1Q results, and Boeing Co.'s stock (NYS:BA) tacked on 2.1% to boost the Dow by 29 points despite a 3Q miss. Meanwhile, Visa Inc.'s stock (NYS:V) was the biggest Dow loser in the premarket after 4Q results, as it fell 2.6% to shave about 39 points off the Dow's price.