Stock Pros See Forecasts as ‘Necessary Evil’ in Era of Policy Chaos

A trader works on the floor of the New York Stock Exchange.

Photographer: Michael Nagle/Bloomberg

As President Donald Trump awaited his second inauguration in January, David J. Kostin, Goldman Sachs Group Inc.’s chief US equity strategist, had a clear view of what that would mean for stocks: another year of solid gains.

He forecast the S&P 500 Index would rise 11% to 6,500 by 2025’s end.