In other words, Apple will likely remain on the top of this list for some time. Get your mind blown on a daily basis:. View the high resolution version of this infographic by clicking. Within the financial realm, there is perhaps no better example of this than the introduction of exchange-traded funds ETFsa new financial technology that emerged out of the index investing phenomenon of the early s. Since the establishment of the first Make money every second. As you can see, equities are by far the largest galaxy in the ETF universe, making up Today, there are over 8, Secind globally, covering nearly every asset class imaginable. Here are some of the lesser-known and more peculiar corners in the ETF universe:. Thematic ETFs: Gaining popularity in recent years, thematic ETFs secoond built around long-term trends such as climate change or rapid urbanization. By having more tangible focus points, these funds sexond also appeal to younger generations of investors.