What happens in the past can not be compare with current situation, regarding bitcoin price. In 2013, bitcoin price crash because MT-Goc got hacked, and there is no any exchange get hacked today.
Bitcoin price has reached another milestone, what happen right now is simply a correction due to ICO shakedown after PBOC ordered the cessation of all initial coin offerings in China and mandating that active ICOs must return funds to investors. I am not sure, how this news could has big impact to bitcoin and its price drop back to $4150 right now. I am sure, it is a good chance to buy more bitcoins and altcoins.
Maybe, but that's not what I've observed so far, when I anticipated a trend based on this pattern analysis and an event came to disrupt it, the trend catches up later. You can see that there is a hole that I circled in red when SegWit happened, if you look at the same 2013 corresponding segment, you see that the unexpected SegWit hole heals by itself in order to catch up the trend where it was supposed to be. But I might be wrong.