Equity Counter- Rally still shy the real testing levels......NDX100

NDX100 Daily Chart @ Close Friday 02/26/2016

Sell Signal on the 50/200day SMA together with Declining Volume amid the Counter- Rally juxtaposed against the pesky GAP @ just below 4600 that WILL be closed @ some point in time.
That said & there is the Gap left behind in this advance @ just above 4000.....so there's our Range: 4000 - 4600?