Let's take a look at the more recent events. The rise on
17/02/2019 was almost when
JPM announced his crypto. The announcement was on
14/02/2019 but I guess the market needed a few days to make the needed corrections to BTC's price.
JPScam was not a trigger. And that's why current developments don't add up.
You've missed the news about
Nasdaq adding Bitcoin and Ethereum price indices. The news came out in February 14th and the listing will happen tomorrow (Feb 25). And this covers both.
Ethereum hard fork (February 28) may also count.
We have a busy week ahead of us

You are totally right! I missed the news about Nasdaq and the ETH fork. Yet, it seems that it was another pump&dump as we just saw a 5% fall