Allen Bradley industrial automation components, integrated control and information solutions from Rockwell Automation make you as productive as possible. The meaning of AB is an abdominal muscle —usually plural. How to use ab in a sentence. THE GREATS 🏆 COB ☝🏾 LIVE DAILY! 🔥 This is a pivotal moment for AB, said AB's CEO Seth Bernstein. Onur's appointment to President underscores his criticality to AB and Equitable Holdings, and his strong connections both within the firm and across the industry. In addition to the A and B antigens, there is a protein called the Rh factor, which can be either present (+) or absent (–), creating the 8 most common blood types (A+, A-, B+, B-, O+, O-, AB+, AB-). Click on a blood type below to learn more. Find the latest AllianceBernstein Holding L.P. (AB) stock quote, history, news and other vital information to help you with your stock trading and investing. This disambiguation page lists articles associated with the title AB. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article. We would like to show you a description here but the site won’t allow us. Get an Airbnb for every kind of trip → 8 million vacation rentals → 2 million Guest Favorites → 220+ countries and regions worldwide At AB, we have macroeconomic and global market experts that strive to deliver actionable insights for advisors. Get timely market updates, hear from investment professionals, and access our podcasts.