Weekly Report: what happened at OILK last week (0907-0911)?

Last week OILK had an overall gain of 3.29%, the stock price moved from 55.07 to 56.88, last week's high was 57.57, the low was 55.0610, and the cumulative volume was 745.50K.

● OILK reached a 52-week high last week on 11 September, quoting 56.88.