Stock futures dipped Friday morning, with investors eyeing a couple of disappointing earnings results from $Apple$ and $Amazon.com$ that came during an otherwise solid quarterly reporting season from many major companies.At 8:00 a.m. ET, Dow e-minis were down 35 points, or 0.1%, S&P 500 e-minis were down 22.25 points, or 0.49%, and Nasdaq 100 e-minis were down 139.25 points, or 0.88%.Stocks making the biggest moves in the premarket:. $Chevron$ – It gained 2.1% in the premarket after posting its