Additionally, FINRA is scrutinizing fees, especially those that retail investors may not be aware of.
“We remain concerned about firms’ charging retail investors hidden, mislabeled or excessive fees,” according to the letter. “We will continue to investigate firms that appear to be taking advantage of investors through fee schemes.”
The regulator is also examining high-frequency trading and oversight of the creation and redemption process in ETFs.
For more information on ETFs, visit our ETF 101 category.
Max Chen contributed to this article.