In a significant corporate battle, activist investor Ancora has pushed for major changes at U.S. Steel, including the ousting of its CEO and the cancellation of its proposed merger with Nippon Steel. Ancora, which recently acquired a stake in the company, is seeking to revamp the U.S. Steel board and has nominated nine candidates to challenge existing leadership. Meanwhile, another asset manager has also entered the fray, aiming to quash the $15 billion takeover deal with Nippon Steel. This heightened confrontation highlights the ongoing struggle for control and the future direction of U.S. Steel amidst concerns over the impact of the merger on U.S. manufacturing.