The VanEck Vectors Gold Miners ETF (NYSEArca: GDX), the largest exchange traded fund dedicated to gold mining stocks, is once again attracting investors. GDX is comprised of global gold miners, with a notable tilt toward Canadian and U.S. mining companies. Stock fundamentals like cost deflation across the mining industry, share valuations below long-term average and [...] Read more on ETFtrends.com.