Weekly Report: what happened at ZSTK last week (0720-0724)?

Last week ZSTK had an overall loss of -13.69%, the stock price moved from 1.68 to 1.45, last week's high was 1.80, the low was 1.37, and the cumulative volume was 137.93K.

● ZSTK reached a 52-week down last week on 24 July, quoting 1.45.