My analysis habit: I look separately at price movements one hour and 24 hours after a message.
For example, this one: TRON DeFi Summer S3 is ongoing, and the JST ecosystem participation window is now open. $JST (24h +2.35%), with 4.94 million in trading volume.
The outlook leans bullish, but beware of the good news being priced in early.

My take may not be right—please manage your own risk.