Weekly Report: what happened at GUER last week (0527-0531)?

Last week GUER had an overall loss of -16.67%, the stock price moved from 3.00 to 2.50, last week's high was 4.25, the low was 2.50, and the cumulative volume was 24.80K.

● GUER reached a 52-week down last week on 31 May, quoting 2.50.