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

Last week NAII had an overall gain of 6.44%, the stock price moved from 2.02 to 2.15, last week's high was 2.4202, the low was 2.00, and the cumulative volume was 79.46K.

● NAII reached a 52-week down last week on 21 August, quoting 2.15.