Old Second Bancorp (OSBC) Q3 Earnings and Revenues Surpass Estimates Posted byZacks Equity Research October 21, 2021 Leave a comment on Old Second Bancorp (OSBC) Q3 Earnings and Revenues Surpass Estimates Old Second Bancorp (OSBC) delivered earnings and revenue surprises of 3.57% and 0.63%, respectively, for the quarter ended September 2021. Do the numbers hold clues to what lies ahead for…