Silver slipped below $19 to hit $18.93 earlier this week, but some analysts believe that the Friday release of official US November employment data will help the metal turn itself around.
Germany's Federal Financial Supervisory Authority has begun looking into the rate-setting processes for silver and gold prices.
This week, silver sank to its lowest price since August when the US and other world leaders struck a deal with Iran regarding its nuclear program.
Dundee Capital Markets revealed this week that the all-in cash costs of the silver producers it covers fell an average of 13 percent, to $20.08 per ounce, during the third quarter of this year.
Silver fell as low as $19.75 per ounce this week, and some analysts believe that it may yet sink to the lows it hit during the summer.
While Mexico's approval of a new mining tax initially caused an outcry, some market participants are now beginning to look at it more charitably.
Silver prices were pushed down this week by anxiety about the end of quantitative easing, but Thomson Reuters GFMS and the US Mint provided some more positive news.
A new database launched by the Washington, DC-based Wilson Center aims to identify products that contain potentially harmful silver nanoparticles.
The US Mint has now sold 40,175,000 ounces worth of American Eagle silver coins in 2013, higher than its 2011 record of 39,868,500 ounces.
Gold’s long-standing duel with the US dollar continued to drag on silver prices this week. However, physical demand for the white metal remains strong, especially in the coin market.