"The "golden" days lie ahead for silver and investors who get exposure to this commodity and stocks in the sector; in my view, there is no better silver miner than the 119 year old Hecla Mining (HL)," says Ian Wyatt.

The editor of Top Stock Insights explains, "The company is one of the oldest miners in the U.S. and operates in Alaska and Idaho.

"Over the past 12 months, silver has lagged increases in gold by a large margin and that will not last. Investors buy silver for the same reason as gold, inflation.

"Green investing and clean energy may be the politically correct topic at cocktail parties, but coal is the economically correct vehicle for investors," says Ronald Rowland and Brandon Clay.

The editors of All Star Investor explain, "Coal has been an energy source for millennia -- and is still the number #1 source of energy for electric power plants in the world." And, they add, "One of the best places to invest in coal is Consol Energy (NYSE: CNX).

"Prehistoric Chinese are said to have used coal for heating. According to Roman historians, Britain burned coal in the first century. Throughout history, coal has been the primary source of heat in homes.

"Rapidly industrializing nations like China are still dependent upon coal for energy. Overall global consumption has not diminished either. Coal fuels 48% of electricity plant generators. And the trend is heading upward – probably for the next 30 years. Despite the deafening rhetoric, coal is not going away anytime soon. Investors should take notice.