[...] the response to this announcement were anticipated and priced into the market.

[...]
The bear market reversal pretty much coincided with the Bakkt announcement for the July test phase, so I think that's the answer right there. "Buy on the rumor, sell on the news" and all that.
I think it's way too early to assess whether Bakkt is dead on arrival and whether it's going to have any meaningful impact besides marketing hype.