Weekly Report: what happened at UMC last week (1215-1219)?

Last week UMC had an overall gain of 2.27%, the stock price moved from 7.92 to 8.10, last week's high was 8.17, the low was 7.83, and the cumulative volume was 48.16M.

● UMC reached a 52-week high last week on 19 December, quoting 8.10.