The arguments in favor of silver as an investment asset are growing rapidly. In the opinion of the Jackass, silver is the most under-valued hard asset in existence, with the highest potential for price appreciation on the globe. To begin with, central banks own no silver, but do own huge tracts of gold. Industry has huge demand for silver, but a trifling amount for gold demand. The investment demand is another key factor in favor of silver, but also for gold. Ever since the tech telecom bust in…