$NYSE Advance-Decline Line is Deteriorating $NYSE Common Stock A-D Line has been declining since mid-August and broke below its 200D MA, which usually implies it might touch, or worse, the 400D MA. But what's actually happening with the stock market? The rotation into the broader stock market from mega-cap stocks that started in late May started to fade in mid-August. Lately, on multiple occasions the broad market weakness, often when oil prices were up, was masked by strength in several mega-caps. When these mega-caps correct, watch out below. $SPX $SPY #stocks #stockmarket #trading $NDX