Great Western Bancorp (GWB) Moves 11.9% Higher: Will This Strength Last? Posted byZacks Equity Research September 17, 2021 Leave a comment on Great Western Bancorp (GWB) Moves 11.9% Higher: Will This Strength Last? Great Western Bancorp (GWB) saw its shares surge in the last session with trading volume being higher than average. The latest trend in earnings estim…