SOX Looking Suspect By: TalkMarkets April 21, 2016 at 15:26 PM EDT SOX has been rolling over vs. NDX, which itself has been non-confirming of the SPX re-bull phase. That’s often the way it goes; SOX leads NDX, which leads SPX. Read More >> Related Stocks: NDX PHLX Semiconductor Sector Index Standard & Poors 500