Weekly Report: what happened at ZTG last week (0727-0731)?

Last week ZTG had an overall gain of 36.22%, the stock price moved from 3.23 to 4.40, last week's high was 6.00, the low was 2.38, and the cumulative volume was 2.51M.

● ZTG reached a 52-week high last week on 31 July, quoting 4.40.