By Sam Forgione NEW YORK, Nov 7 (Reuters) - Investors in U.S.-based mutual funds put the lowest amount of new cash into bond funds since July in the latest week, while becoming less averse to stock funds, data from the Investment Company Institute showed on Wednesday. Bond funds attracted estimated net inflows of $2.62 billion in the week ended October 31, the least new demand for the funds since early July, ICI, a U.S. mutual fund trade organization, said. Stock funds, meanwhile,