Weekly Report: what happened at ISTR last week (1208-1212)?

Last week ISTR had an overall gain of 3.42%, the stock price moved from 26.28 to 27.18, last week's high was 27.42, the low was 26.04, and the cumulative volume was 256.65K.

● ISTR reached a 52-week high last week on 12 December, quoting 27.18.