First Interstate BancSystem (FIBK) Earnings Expected to Grow: What to Know Ahead of Next Week’s Release Posted byZacks Equity Research January 20, 2022 Leave a comment on First Interstate BancSystem (FIBK) Earnings Expected to Grow: What to Know Ahead of Next Week’s Release First Interstate BancSystem (FIBK) doesn’t possess the right combination of the two key ingredients for a likely earnings beat in its upcoming report. Get prepared with the key expectations.