Shares of Sturm Ruger & Co. RGR, -4.00% fell as much as 5% late Wednesday after the gun maker missed fourth-quarter sales expectations. The company posted diluted earnings of 59 cents a share in the quarter, compared with $1.10 a share a year ago, and sales reached $118.2 million, compared with sales of $161.8 million a year ago. Analysts polled by FactSet had expected adjusted earnings of 77 cents on sales of $134 million. Shares ended the regular trading session down 2.2%. In the same statement, Sturm Ruger said its board of directors declared a dividend of 23 cents a share for the fourth quarter, payable on March 30 to shareholders of record March 15.