Investors are looking for a safe haven in precious metals, and that helped silver stocks this week.The silver market was one of the big winners on the stock market this week after silver prices hit a multiyear high. Not only did silver have a good week, but gold was up as tensions in the Middle East and concerns about inflation heated up.According to data provided by S&P Global Market Intelligence, First Majestic Silver (AG 3.27%) led the way, rising as much as 24.1% this week; Fortuna Silver Mines (FSM 4.0 ...