Moreover, Evan announced a fix for the masternode payment issue around that time too.
Yes. That did cross my mind and could have contributed. But a code fix and a major fiat gateway are kind of leagues apart in terms of long term valuations.
b.t.w. I didn't mean to bite your head off in my last post. Should have previewed it and apologise if I was a bit antagonistic there.
I think it's obvious for anybody who watched the market behavior and read the first posts about the bitfinex rumor that this was the trigger. The market behavior changed drastically in the very same moment.
The developer announcement was only a prerequisite. It restored the confidence enough so that the bitfinex rumor could trigger a change.