A new ETF-for-everything era may have just begun on Wall Street, swelling an industry that already boasts almost 3000 products and $US6.2 trillion ($9.12 trillion) in assets.
The booming world of exchange-traded funds is about to get even more crowded after the first single-equity ETFs launched last week despite a torrent of regulatory warnings over their risks, as retail investors continue to reel from the crash in speculative trades of crypto and meme stocks.
