In the case of Hughes Tool Co. v. Trans World Airlines, Inc., et al., 1964, Howard Hughes and his company were sued by TWA for alleged misuse of power and violation of antitrust laws. The allegations claimed that Hughes had used his control over TWA to benefit his other businesses at the expense of the airline's shareholders. The Supreme Court ruled in favor of TWA, stating that a controlling shareholder has a fiduciary duty to the corporation and its minority shareholders not to use their power for personal gain or in a way detrimental to them. This ruling was significant as it established clear guidelines on how majority stakeholders should conduct themselves within corporations they have substantial influence over.

In the dissenting opinion for Hughes Tool Co. v. Trans World Airlines, Inc., it was argued that there was no substantial evidence to support the majority's conclusion of conspiracy or monopolization by Howard Hughes and his companies. The dissenting justices believed that TWA had not provided sufficient proof of a specific intent to monopolize on the part of Hughes, nor did they demonstrate any actual injury resulting from alleged anti-competitive practices. They also disagreed with the majority's interpretation of antitrust laws in this case, arguing that these laws were designed to protect competition rather than individual competitors and should not be used as a means for unsuccessful businesses to recover losses caused by their own inefficiencies or poor decisions. Furthermore, they felt that awarding damages based on speculative future profits was inappropriate and inconsistent with established legal principles.