NDX100 Weekly Key Reversal; should we care?

NDX100 Weekly Chart @ Close 10/14/2016

Finally signs of 'Signs': NDX100 & not the only Index exhibiting 'Reversal' Price Action; the BKX; Emerging Markets (MSCI) & AAXJ (Asia ex- Japan) together with the Commodity dependent but policy lacking ASX200 (unlike the BOVESPA!).
Metals again under pressure & a $ 'surge' basis the 1.5% gain this past Week with the FED talking Arthur Burns type 'policy'!?
Let's not forget the US Bio- Tech 'Train Wreck' unfolding yet again.
Volatility next?