AppLovin falls after report of SEC probe over data-collection practices

** Shares of AppLovin APP fall 2.2% to $574.15 in premarket trading on Tuesday

** The U.S. securities regulator is probing APP's data-collection practices, Bloomberg News reported on Monday

** The Securities and Exchange Commission (SEC) is examining claims that APP may have breached service agreements with its platform partners to deliver more targeted advertising to users, the report said, citing sources familiar with the matter

** The company, which recently joined the S&P 500 SPX, said it does not comment on potential regulatory matters; the SEC declined to respond due to the ongoing government shutdown

** APP shares fell 14% in regular trading on Monday and extended losses by another 2.3% after hours