** Shares of U.S. brokerage firm Charles Schwab SCHW.N fall 2.53% to $58.25 during premarket trading

** Co says average interest-earning assets were $449.5 bln in August, down 23% from August 2022 and down 4% compared to July 2023

** Total client assets were $8.09 trillion as of month-end August, up 14% from August 2022 and down 2% compared to July 2023 - co

** Co in August said it plans to lower its headcount to reduce cost pressures

** YTD, SCHW shares are down ~28.2%

(Reporting by Jaiveer Singh Shekhawat in Bengaluru)

((JaiveerSingh.Shekhawat@thomsonreuters.com;))