Weekly Report: what happened at SER last week (1208-1212)?

Last week SER had an overall loss of -2.50%, the stock price moved from 3.20 to 3.12, last week's high was 3.46, the low was 3.1190, and the cumulative volume was 51.73K.

● SER reached a 52-week down last week on 12 December, quoting 3.12.