Honda did not respond to Business Insider's request for comment. Honda CEO: Merger is not a Nissan rescue. Honda's shares had initially fallen when news first broke of the merger

The Detroit Three are facing an auto industry increasingly affected by the rise of China as demonstrated by the planned merger of Honda and Nissan.

The proposed deal aims to unify operations under a joint holding company, led by Honda, while maintaining the distinct identities of each brand, according to Honda's president, Toshihiro Mibe. If finalized, the merger would position the combined entity to better compete with market leaders Toyota and Volkswagen.