hecla mining co shares rose about 12 to 570 after the precious metals mining company posted its fourthquarter and fullyear results income applicable to common stockholders rose to 117 million up from 3 million in the yearago period analysts polled by factset expected 99 million the company said the increase was due in part to higher metal prices and a full year of production at the lucky friday mine near mullan idaho fourthquarter sales were 1851 million down from 1889 million in the fourth quarter of 2020 analysts polled by factset expected 1942 million the couer dalene company said it established a new mining method called the underhand closed bench that should be safer and more productive this will allow lucky friday to increase projected production in 2022 by almost a million silver ounces over 2021 chief executive phillips s baker jr said in a statement