Exchange-traded funds (ETFs) have been steadily growing in popularity, getting a boost from the Covid pandemic. What made them so popular? For one, it is due to their ease of use. Next on the list of advantages is the diversity they provide, and finally it is their cost-effective approach to investing. The U.S. domestic ETF market has grown to almost $3.9 trillion as of mid-2021 aided by the 2019 rule passed by the SEC. The streamlined regulatory environment in the US has driven ETFs through the roof. Removing regulatory barriers As of 2020, there were 7,602 ETFs globally. This is a considerable increase from just 276 in 2003 and 7,083 in 2019. In the next five years, ETFs are projected to surpass mutual fund assets in the United States. [1] [1] A new rule referred to as the “ETF Rule” has enabled stellar growth of ETFs. The rule was passed in September 2019 by the Securities and Exchange Commission (SEC) and removes the so-called "exemptive relief" reg...