Stifel Financial Corp grew its position in Costco Wholesale Co. (NASDAQ:COST – Free Report) by 2.3% in the 4th quarter, HoldingsChannel.com reports. The institutional investor owned 810,219 shares of the retailer’s stock after purchasing an additional 17,952 shares during the period. Costco Wholesale comprises approximately 0.7% of Stifel Financial Corp’s holdings, making the stock its […]