Securities transaction and fund administrator software provider GBST Holdings reported an unaudited rise of 50 per cent in cash profit, or EBITDA, of $17.2 million in the year to June 2008.The acquisition of the wealth management division in August 2007, formerly known as InfoComp, contributed just over half of all revenue at $33 million.The longer established broker services division contributed revenue of $31 million, a six per cent increase year on year.Broker services research and development costs increased by a half to $4.5 million.A $2.3 million write-down in the company's 16.2 per cent stake in IT&e Limited reduces EDITDA to $15 million, or a 31 per cent increase.The write-down was already known to the market, with the board of GBST last week issuing a statement concerned about the sudden drop in share price, which mentioned the poor share price performance of IT&e.Potential future write-downs will be smaller as the IT&e share price currently trades at around four cents, which values the GBST stake at around $1.6 million.GBST Holdings share price rallied over twenty per cent yesterday on light volume, closing at $1.85, with 12-month lows of $1.50 and highs of $4.60. The current market capitalisation is around $90 million.