On April 2nd, $Roundhill Memory ETF(DRAM.US) (ticker: DRAM) officially listed in the U.S. stock market. As mentioned by Baike Jun in the previous article on understanding the storage industry regarding the pain points of investing in the storage sector, currently the global HBM production capacity is basically held by three companies—Samsung, SK Hynix, and Micron. Among these three storage giants, Micron is listed on the U.S. stock market, so investing in it is not a big problem. However, the other two major leading stocks, Samsung and SK Hynix, are both listed on the Korean exchange. For ordinary investors to buy them, they either need to open a Korean account...