Key Takeaways Cannabis ETFs MSOS and WEED jumped over 35% in December on hopes of U.S. marijuana rescheduling.Silver and platinum ETFs (SLV, SIVR, PPLT) rallied on supply tightness and industrial demand.Space and copper ETFs (UFO, COPX) rose on Rocket Lab's rally and AI-driven infrastructure demand.Wall Street put up a mixed show in December. The Dow Jones Industrial Average rose 0.7%, marking its eighth straight winning month – the longest such streak since 2018 (per CNBC). The S&P 500 slipped about 0.06% ...