A customer is paying attention to the Chinese stock market at a stock exchange in Hangzhou, China, on January 22, 2024.Costfoto/NurPhoto/Getty ImagesStock exchanges in China stopped reporting daily data on foreign fund flows.Year-to-date flows entered the negative territory on Friday as foreign investors continue to pull back. Its part of a bigger movement away from real-time data toward longer term, less volatile indicators.Exchanges in China stopped reporting a key indicator investors use to gauge sentiment in the stock market of the world's second-largest economy.