of course it reacts. People were expecting "news", perhaps not the merger/jv news yesterday, but they'd bought for coming "news", so they took profits, or sold to protect gains, or minimize losses If they bought on the gap, so it "reacted" quite as expected to "news".
Most people on ihub think in terms of hours, let alone days, or weeks on these. Fact is, this is still about 20 times undervalued, and anyone with more than 15 minutes of foresight can see that. The panic being spouted by the news networks today didn't help with people's mind sets today.