Stifel Financial Corp. and Hanifen, Imhoff Inc., a Denver-based investment bank, announced that they have closed the merger between the two companies. The transaction is being accounted for as a purchase and provides for a tax-free exchange of approximately 600,000 shares of Stifel for all of the outstanding shares of Hanifen. Stifel’s board of directors also authorized the repurchase of up to 600,000 additional common shares. Stifel is headquartered in St. Louis, Mo. and has locations in 14 states. The company operates retail brokerage offices in Denver, Ft. Collins and Colorado Springs.