JPMorgan reportedly forecasts 7% annualized returns for 60/40 portfolios over 10–15 years

A post says J.P. Morgan Asset Management projects 7.0% annual returns for a traditional 60/40 stock-bond portfolio over the next 10–15 years. It lists annualized forecasts of 7.5% for U.S. stocks, 5.3% for global bonds, 9.8% for private equity and 5.5% for gold. The post says diversified alternatives could lift portfolio returns to 7.5% annually.