Weekly Report: what happened at ChinaAMC NASDAQ-100 Index Daily(2x) Leveraged Product last week (0727-0731)?

Last week 07261 had an overall loss of -0.16%, the stock price moved from 49.98 to 49.90, last week's high was 50.38, the low was 46.30, and the cumulative volume was 123.50K.