Wall Street is worried stocks might be on the cusp of a ‘lost decade’ MarketWatchThe Stock Market Looks Strong As Ever but History Warns of a Bubble Inc.S&P 500’s era of hot returns is over, Goldman says AxiosIs an End to the S&P 500’s Record Rally in Sight? The New York TimesGoldman forecasts just a 3% S&P 500 annual return the next 10 years, down from 13% the last decade CNBC