Einhorn’s Greenlight Gains 14% for Year After Dip in December (Bloomberg) David Einhorn’s Greenlight Capital fell 0.3% across its hedge funds in December, trimming returns for 2019 to 13.8%. Greenlight, which follows a value-oriented investing strategy, posted its results in a client update seen by Bloomberg. The S&P 500 Index returned 31% in 2019 with dividends reinvested. Despite the down month, Einhorn rebounded from his worst year ever in 2018, when his main fund sank 34%. Early in 2019, he vowed to rework his portfolio by making fewer, more concentrated investments.