Last week's comments from the chairman of the Federal Reserve, Ben Bernanke, were the strongest sign yet that the end may be in sight for the central bank's $85 billion per month of bond buying. While the iShares Silver Trust (SLV 0.64%) ETF got hit, silver stocks went down even more sharply. Among those to fall was Silver Wheaton (WPM 2.23%), the silver streaming company that may be the strongest company in the group.

In the video below, Fool.com contributor Doug Ehrman discusses factors that have pulled down silver prices lately, and explores why the fall may have created a great opportunity to buy Silver Wheaton.