By Dan Weil The median sales price for existing homes reached $416,000 in June, jumping 13.4% from a year earlier. You can add the Bank of America Institute, an internal think tank, to those who see a bleak outlook for the housing market. “After two years of record growth, the U.S. housing market has reached a turning point, as elevated home prices and surging mortgage rates weigh on affordability and demand,” institute economists wrote in a report. As for prices, the median existing-home-sale price hit $416,000 in June, jumping 13.4% from a year earlier, according to the National Association …