Core Insights - In May, foreign institutional investors in China purchased bonds worth 807.1 billion yuan, while selling bonds amounting to 669.7 billion yuan, resulting in a net purchase of 137.4 billion yuan [1] Group 1: Trading Volume - In May, the total trading volume of cash transactions by foreign institutional investors reached 1,476.8 billion yuan, representing a year-on-year decrease of 13% and a month-on-month decrease of 16% [1] - The trading volume accounted for approximately 5% of the total cash market transaction volume during the same period [1]