上证指数日内转跌，全市主力资金净流出超370亿元。

Core Viewpoint - The Shanghai Composite Index experienced a decline during the day, with a net outflow of over 37 billion yuan in major funds across the city [1] Group 1 - The Shanghai Composite Index turned negative during the trading session [1] - Major funds in the city saw a net outflow exceeding 37 billion yuan [1]