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

Last week SION had an overall loss of -2.40%, the stock price moved from 43.41 to 42.37, last week's high was 45.00, the low was 41.18, and the cumulative volume was 3.13M.

● SION reached a 52-week high last week on 19 December, quoting 42.37.