UPDATE 1-U.S.-based high-yield bond funds had $1.7 bln outflows -Lipper

(Adds quotes from head of research services at Lipper, table) By Sam Forgione NEW YORK, July 30 (Reuters) - Risk aversion was on display this week as investors pulled billions of dollars from U.S.-based high-yield "junk" bond funds, U.S.-based stock mutual funds and ETFs and U.S-based Chinese stock portfolios, data from Thomson Reuters' Lipper service showed on Thursday. Investors in high-yield bond funds posted $1.7 billion in withdrawals in the week ended July 29 to mark their f