Profit fell in the first half of the year for British insurance firm Prudential PLC compared to the same period of the previous year, despite growth in insurance revenue. Prudential reported on Wednesday that its first-half profit before tax declined to $394 million from last year’s $1.18 billion. Profit attributable to equity holders of the company was $120 million, lower than $944 million a year ago. Earnings per share declined to 4.4 cents from 34.5 cents in the prior year. Adjusted operating profit, however, grew 6% to $1.54 billion from last year’s $1.46 billion. Insurance revenue increas…