The number of publicly traded companies in the US has decreased from 8,000 in 1996 to fewer than 4,000 today, with the private equity industry being a significant factor in this decline. Private equity firms buy publicly traded companies, taking them private and exempting them from disclosure requirements, making a significant portion of the market invisible to investors, media, and regulators. This lack of transparency can lead to corporate wrongdoing and economic instability. The article argues that the growth of private equity has created a shadow economy with significant risks to the financial system.