Weekly Report: what happened at CVI last week (0914-0918)?

Last week CVI had an overall gain of 6.85%, the stock price moved from 50.25 to 53.69, last week's high was 54.64, the low was 47.47, and the cumulative volume was 6.86M.

● CVI reached a 52-week high last week on 18 September, quoting 53.69.