Brewin Dolphin says the market trend experienced in the first quarter has continued into the final stages of the stockbroker and fund manager's half-year to 28 March.February's income was slower, but has been more than made up for in March. First quarter income rose 11.5% to £56.9m.Second quarter fee income will be dependent on the level of the market on 5 April, it said in a short statement Friday.The group added that increased regulatory obligations have seen it investing further in this area and that it's a trend that's expected to continue.