 Shares of Smith Wesson Brands Inc. SWBI, -11.54 tumbled 11.5 in afternoon trading Thursday, after the gun maker reported a fiscal first-quarter profit that rose above expectations, but revenue came up short. After five straight quarters of record revenue, as the company benefited from COVID-19-related lockdowns, Chief Executive Mark Smith said although firearms demand remained very strong, the company did witness a return to normal summer seasonality during the quarter. 