Roy Niederhoffer Hedge Fund Lost 10% In March

``Roy Niederhoffer's largest hedge lost 10% last month because of market volatility after the March 11 earthquake in Japan. The $368 million Diversified Program run by his firm, R.G. Niederhoffer Capital Management, was down 9.8% in March, following a 1.4% loss in February, according to an April 5 letter to investors that was obtained by MarketWatch on Thursday. ''