While Mr Buffett never stopped buying and profit at his Berkshire Hathaway Inc rose 61 per cent to US$8.06 billion in 2009, Prof Roubini and David Rosenberg of Gluskin Sheff & Associates Inc were proved wrong as shares surged. Both said on March 9, 2009 the S&P 500 was at risk of falling at least 10 per cent. So called Expert that have proven WRONG.. Prof Roubini, who forecast the credit crisis, declined to comment. Mr Rosenberg, then working for Charlotte, North Carolina-based Bank of America Corp, said this will likely turn out to be a bear-market rally.