Slump strikes earnings for Wilson HTM 26 February 2009 5:47PM Ian Rogers The capital markets or investment banking business of Wilson HTM Investment Group suffered a slump in revenues of more than 50 per cent in the half year to December 2008 and compared with a year before. The profit from the capital markets business fell even more heavily.Wilson HTM made a pre-tax profit of $2.1 million on revenues of $28.4 million from capital markets in the half, but at least this side of the business earned operating profits.As foreshadowed a month ago the investment management side of the business incurred a loss thanks to marking to market the value of seed investments in some funds.Over the Wilson HTM group reported a $2.4 million loss in the half-year to December 2008 compared with a profit $9.4 million profit.