Shares of Chevron Corp. CVX, +0.76% rallied 3.0% to pace the Dow Jones Industrial Average's DJIA, +1.03% premarket gainers after blow-out second-quarter earnings, while Apple Inc.'s stock AAPL, +0.36% was second with a 2.7% jump, also after better-than-expected earnings. The implied price gains would had a combined 57 points to the Dow's price, while Dow futures YM00, +0.00% inched down 2 points.