That's an important distinction. News about an event describes developments in the real world, while news about a market may describe changes in prices, participation, or expectations. Sometimes the two are connected, but not every market movement corresponds to a new confirmed development. You could explore
https://predictdesks.com/blog/articles for relevant reading and use it as a starting point for further research. When you come across a claim, check whether it refers to a verified event or simply a change in the market's current assessment. Then look for independent confirmation where appropriate. Keeping those categories separate makes it easier to interpret updates without treating market expectations as established facts.