One of my best-performing recommendations has been the VanEck Rare Earth and Strategic Metals ETF (NYSEARCA: REMX ), which has jumped more than 35% since I last recommended it at the end of July. I’mMarkets rise and fall, booms come and go, and the world keeps ticking. Ultimately, I believe observing megatrends, as difficult as they can be to spot, let alone fully comprehend, can yield insights into the advance of human society, which in turn could pave the way for many useful investment insights. As societ ...