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

Last week PVAL had an overall gain of 0.77%, the stock price moved from 52.01 to 52.41, last week's high was 52.56, the low was 51.76, and the cumulative volume was 14.25M.

● PVAL reached a 52-week high last week on 24 July, quoting 52.41.