Investors have become increasingly interested in lithium stocks for several years now, and there are a number of reasons why. Some are seasoned metals investors interested in looking beyond silver and gold. Others are new investors, drawn into the space by the hype surrounding Elon Musk and Tesla Motors’ (NASDAQ:TSLA) lithium-ion battery gigafactory. Whatever the reason, it’s important to get familiar with the lithium market before investing in lithium stocks.