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

Last week PMCB had an overall loss of -4.31%, the stock price moved from 0.5570 to 0.5330, last week's high was 0.5570, the low was 0.5043, and the cumulative volume was 571.15K.

● PMCB reached a 52-week down last week on 21 August, quoting 0.5330.