 Abbott Laboratories ABT had better-than-expected earnings and revenue in the fourth quarter of 2022, though headwinds from its baby formula business and declining COVID-19 test sales are still weighing on the companys performance. Abbott had a profit of 1.0 billion, or 59 cents per share, in the fourth quarter of 2022, down from 1.9 billion, or 1.11 per share, in the same quarter of 2021. 