Stocks open in the red after mixed earnings (MCD, GE, AMD)

US stocks are a leg lower on Friday after some mixed earnings results from Wall Street. 
At 9:33 a.m. ET, the Dow is down 104 points (-0.58%), the S&P 500 is down 10 points (-0.5%) and the Nasdaq is down 10 points (-0.2%). 
The two big earnings reports came from McDonald's and General Electric. McDonald's reported stronger-than-expected sales growth after it revamped its all-day breakfast menu and kept customers interested in the offering. However, General Electric cut its revenue