My Jewish friend went to Thailand no issues. Dresses casual. Maga caps be more risky if near farangs. Most Thais don't even know what a Jewish person typically looks like or is. Pai is a tourist ghetto and nothing like real Thailand.
Investors will be lining up to buy if there is a big sell off. Happens after every major sell off. If a motorbike shop had a 40% off sale what would happen? Bikers be lining up to buy.