The blue bars at the bottom are the volume of trades and the lines at the top are the average price per share. You can see that right before the price shot up there was a sharp increase in volume indicating that a group of people knew and bought large quantities before the rest of the world knew.
player2
joined 2 years ago
9:30am He posted, "Be cool! Everything is going to work out well.".
9:37am He posted, "Now is a great time to buy!".
1:02pm Insiders suddenly invest billions of dollars into US stocks.
1:15pm He announced the updated tariff plan.
It seems likely that there was some group chat giving more details about the plan before the official announcement. Today he bragged that some businessmen he knows made $900 million yesterday.