It is the Market Vectors Junior Gold Miners ETF. When prices rise and fall in this price chart so does SRGE. Market Vectors Junior Gold Miners ETF is an exchange traded fund incorporated in the USA. The Fund's objective is to replicate as closely as possible, before fees and expenses, the price and yield performance of the Market Vectors Junior Gold Miners Index. The Fund will normally invest at least 80% of its total assets in securities that comprise the Fund's benchmark index.