The Nasdaq continues to hold onto its long term rising channel from the 2009 low. It also did not break its August 2015 low. In doing so it is not possible to call a long term top on the Nasdaq as yet. Bubble burst? Not certainly. In fact if these levels hold we can project a 9th impulse wave up [wave 5] equal to the first all the way to 6000 on the Nasdaq composite on a Arithmetic chart. Note that the composite has been correcting from an all time high reading that was only marginally above the Y2K top. So it is also easy to call a double top, but a price confirmation is missing.

Now I admit to having tried many times after that post looking for a possible end point but this is where we are now
Here is a chart from today's Nasdaq Post.-
22-03-17

The Nasdaq Composite sold off completing wave 5 of a rally that has been a year Long. I believe this completes a long term structure for the index as it matches many Fibonacci targets for the 2009-2017 structure. The 2-4 trendline at 5564 is the first major support that should be put to test.