Though the value has fluctuated, it has effectively doubled in the last two years. Read more at straitstimes.com. Read more at straitstimes.com.

Matt James has collected gold nuggets for years from the hills and riverbeds of California, but as the precious metal's price soars, he has found an unexpected El Dorado: on social media. Though the value has fluctuated, it has effectively doubled in the last two years, reaching an all-time high…