Weekly Report: what happened at IOSP last week (0921-0925)?

Last week IOSP had an overall gain of 6.32%, the stock price moved from 92.85 to 98.72, last week's high was 98.77, the low was 92.30, and the cumulative volume was 1.23M.

● IOSP reached a 52-week high last week on 25 September, quoting 98.72.