Weekly Report: what happened at YMAT last week (1229-0102)?

Last week YMAT had an overall loss of -10.20%, the stock price moved from 0.51 to 0.4580, last week's high was 0.5350, the low was 0.3987, and the cumulative volume was 515.94K.

● YMAT reached a 52-week down last week on 2 January, quoting 0.4580.