Can it be possibly caused by the decrease in taxes? Because I don't see any other reasonable explenation.

Manipulators want to create certain market behaviors to make money in the end. This is why it's so important to make your own research and don't believe in every information you hear or see.

I bought Genesis Vision GVT lately for 4$ and now it's at almost 15$. Looks like you can make money in a bear market.