Nasdaq index moves back below 200 and 50 day MAs giving the sellers the upper hand

Tests 50% midpoint for the year
The Nasdaq opened with declines that were relatively better than the S&P and Dow, but has since reversed that trend and is leading the way to the downside.  Amazon which opened higher is now down -3.77%. Apple is down -2.7%. Microsoft is lower by -4.56%.  Facebook is down -5%.   Netflix