In a record weird year for the economy, the price of silver is the latest thing to behave strangely. The price of the second fiddle precious metal has soared over the last month, hitting record highs and outpacing the growth of gold. After hovering between $15 and$25 an ounce for much of the last decade, the price of silver topped $40 an ounce this fall before spiking to a record high of$82 at the end of December. After topping $80 on Monday, silver fell back closer to$70 an ounce—still more than double ...