Weekly Report: what happened at ATRO last week (1215-1219)?

Last week ATRO had an overall gain of 0.22%, the stock price moved from 54.67 to 54.79, last week's high was 55.65, the low was 50.01, and the cumulative volume was 4.55M.

● ATRO reached a 52-week high last week on 19 December, quoting 54.79.