Mr Einhorn is definitely a very smart person. I have seen him in action on Youtube. I hope he recovers soon. When bad luck strikes, even less smart people like me can outperform smart people like him. I am down quite badly so far in 2018. The worst since 2012. Einhorn's market-neutral long-short equity fund got hurt by his shorts in Jan2018. He got hurt by his longs in Feb2018. He is down by almost 12% by end of Feb2018 for the year. Tough luck. Hope he recovers as he predicts a reversion is coming soon. https://www.reuters.com/article/us-...ruary-off-11-9-percent-for-year-idUSKCN1GD3ES Greenlight Capital tumbled 6 percent in February almost the same amount it lost in January, raising the New York firm’s loss for the year to 11.9 percent, a performance update sent to clients and seen by Reuters showed. The broader Standard & Poor’s 500 stock index has gained 1.5 percent in the first two months of 2018. Einhorn addressed his firm’s poor start to the year earlier in February when he discussed results on an earnings call for Greenlight Capital Re., the reinsurance company where he is chairman. “While we’ve never underperformed like this, our prior worst underperformance compared to the S&P came in March of 2000, which was a similar environment,” Einhorn said. Einhorn has long bet that certain technology stocks including Amazon and Tesla would fall but his short bets appear not to have helped him even as stocks faltered in February.