Tenn. Code Ann. § 65-14-103

Such railroad terminal corporation may acquire, hold, and dispose of the capital stock or bonds of railroad companies or of other terminal companies, for the purpose alone of raising money for the acquisition, construction, maintenance, and repair of such passenger and freight depots and stations, and other terminal facilities mentioned in §§ 65-14-101 and 65-14-102, and not for the purpose of speculating in stocks or bonds, or managing or controlling railroads.