Shares of the Roundhill Memory ETF (CBOE:DRAM) are off roughly 5% in early Tuesday trading, changing hands near $52.30 after closing Monday at $55.08. The slide caps a remarkable six-week sprint that saw the newly minted ETF roughly double since its April 2 inception. DRAM was up 30% in the week through Monday and 70% ... DRAM ETF Drops 5% as Memory Trade Cools After Parabolic Run

