Weekly Report: what happened at STEM last week (0914-0918)?

Last week STEM had an overall loss of -2.33%, the stock price moved from 4.72 to 4.61, last week's high was 4.90, the low was 4.44, and the cumulative volume was 509.91K.

● STEM reached a 52-week down last week on 18 September, quoting 4.61.