Dave Mazza of Roundhill Investments talks about his firm's MEME ETF after it added Beyond Meat (BYND) to the portfolio. The stock saw extreme volatility over the last few days, trading as low as 50 cents last Thursday, to as high as $8.86 in Wednesday's premarket hours. Dave explains how its's just one of many examples that show how retail traders have become a force that can't be ignored. He touches on how Roundhill rebalances its ETF as meme stock traders move from one stock to the next.