Group 1 - The article discusses the anxiety among stock investors regarding whether to hold cash or stocks during the National Day holiday, especially with two normal trading days in between [1] - It suggests participating in a one-day reverse repurchase agreement on September 29 to enjoy interest for nine days while keeping funds available on September 30 [3] - The article explains that the transaction fee for government bond reverse repos can be as low as 0.0001%, with a minimum fee of 0.00001% for one-day agreements [4] Group 2 - Reverse repurchase agreements are considered relatively low-risk investments due to the high safety of the pledged bonds and strict regulatory oversight of the transactions [5] - The advantages of reverse repos include longer trading hours compared to the stock market, allowing for operations until 15:30, and a wide variety of products available for investors [6] - Investors can choose from 18 different types of reverse repos with varying durations, from 1 day to 182 days, based on their cash return timing and yield preferences [6]