In the past week, three of the biggest gainers in financial stocks have been Chinese FinTechs, boosted by an agreement that gives U.S. authorities access to audit the companies. Seeking Alpha reported Saturday (Aug. 27) that Futu Holdings was up 21% this week, with 360 DigiTech following close behind. Both companies were able to benefit from the waning threat of their American depository shares being delisted in the U.S., per the report. Additionally, three of the companies that saw the worst declines were tech-based mortgage or lending firms, which could see losses along with the rising interest rates. Affirm Holdings...