A trading corporation is a commercial corporation engaged In buying and selling. The word “trading,” is much narrower in scope than “business,” as applied to corporations, and though a trading corporation is a business corporation, there are many business corporations which are not trading companies. Dartmouth College v. Woodward. 4 Wheat 009, 4 I* Ed. G29; Adams v. Railroad Co., 1 Fed. Cas. 92.