Weekly Report: what happened at SEIM last week (0817-0821)?

Last week SEIM had an overall loss of -3.31%, the stock price moved from 55.96 to 54.11, last week's high was 56.15, the low was 53.8113, and the cumulative volume was 534.40K.

● SEIM reached a 52-week high last week on 21 August, quoting 54.11.