Weekly Report: what happened at KOSS last week (0907-0911)?

Last week KOSS had an overall loss of -5.28%, the stock price moved from 3.60 to 3.41, last week's high was 3.6274, the low was 3.30, and the cumulative volume was 52.24K.

● KOSS reached a 52-week down last week on 11 September, quoting 3.41.