By Charlie Conchie City bosses have sounded the alarm on a hike in capital gains tax (CGT) today as Rachel Reeves rolls the turf for a sweeping round of tax raids at her first budget in October. The Chancellor admitted for the first time on Tuesday the government “will have to increase taxes in the budget” after she claimed to uncovered a £22bn “blackhole” in the country’s finances earlier this week. While Labour has committed to holding the rate of income tax, national insurance and VAT, the party has failed to rule out a lift in the rate of capital gains tax. Such a move has triggered fears …