Weekly Report: what happened at PVAL last week (0506-0510)?

Last week PVAL had an overall gain of 1.78%, the stock price moved from 35.32 to 35.95, last week's high was 36.00, the low was 35.22, and the cumulative volume was 1.02M.

● PVAL reached a 52-week high last week on 10 May, quoting 35.95.