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?

S&P500 Correction back to bottom of recent 'Time' Range.

S&P500 Daily Chart @ Close 10/11/2016

The Reversal Week of 08/19 continues to 'haunt' US Equity markets; Tuesday's sell- off YET to probe the bottom of the range witnessed since 2193 Highs.
2115 Support (38%) keeps the Correction more 'Time Based' than Price (< 4% below 2193); a breach below 2115 & Major 2069 Support (62%) looms with THAT BREXIT GAP @ 2035 from late June in need of a Fill later if not sooner?