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

Last week IVAL had an overall gain of 1.05%, the stock price moved from 36.8414 to 37.2294, last week's high was 37.3099, the low was 36.46, and the cumulative volume was 43.29K.

● IVAL reached a 52-week high last week on 21 August, quoting 37.2294.