Bridgewater Associates Pure Alpha strategy barely gained in 2019, Institutional Investor reported Tuesday, citing an investor in the funds. The S&P 500 rose 29% in the same timeframe. The Pure Alpha 18 Percent fund fell 0.5% in 2019 and the Pure Alpha 12 Percent fund gained 0.5% during the same timeframe, according to the report. It's a disappointing reversal in performance for the fund, which gained nearly 15% in 2018 while most funds fell, according to Institutional Investor. Read more on Business Insider.