Deja vu all over again

http://www.zerohedge.com/news/2016-06-10/its-2000-all-over-again
"it’s year 2000 all over again. That was when the tech bubble popped and sent us to an ugly bear market and recession."

I previously thought that there was a 7 year cycle, but maybe there is an 8 year cycle.  Or maybe it is Martin Armstrong's 8.6 year cycle (3140 days).