Nancy Pelosi's plan to visit Taiwan sends Chinese markets tumbling
https://edition.cnn.com/2022/08/01/investing/global-markets-pelosi-taiwan-intl-hnk/index.html
When we see the World History, it's often the case with countries where anger of the citizens is about to explode that political leaders in such countries want to invade other nations.
Now, citizens in Mainland China are suffering from casual lockdown or social restrictions. So, more and more people seem to be complaining about its government. So, President Xi may want to divert it into external things. The first target will be Taiwan.