Weekly Report: what happened at TR20 last week (0122-0126)?

Last week TR20 had an overall gain of 3.89%, the stock price moved from 7686.40 to 7985.43, last week's high was 8016.23, the low was 7578.65, and the cumulative volume was 0.

● TR20 reached a 52-week high last week on 26 January, quoting 7985.43.