U.S. diversified stock funds gained 1.26% on average in the week ended Oct. 29, according to Lipper Inc. data. Big, well-known portfolios, holding such leading issues as Amazon.com, Alphabet and Microsoft, reflected that rise. The $147 billion American Funds Growth Fund of America gained 2.42%. The $103 billion Fidelity Contrafund was close behind, tacking on 2.21% in the week. The latest week’s gain extended U.S.