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

Last week SMN had an overall loss of -5.08%, the stock price moved from 19.1837 to 18.21, last week's high was 19.5141, the low was 18.21, and the cumulative volume was 7.82K.

● SMN reached a 52-week down last week on 21 August, quoting 18.21.