https://www.reuters.com/article/us-sec-probe/sec-probes-at-least-two-trading-firms-over-nyse-listings-source-idUSKBN1YO2BX

The U.S. securities regulator has asked at least two trading firms for information regarding a broad investigation into initial public offerings and direct listings going back five years on the New York Stock Exchange, a person familiar with the matter told Reuters on Friday.