Digital revenues at Trinity Mirror rose across its national and regional operations in the first half of the year, as the group saw an 11.5% increase in operating profit year-on-year. The company also reported a rise of more than 20% in pre-tax profit to £35.1 million from £28.9 million last year. The company share price was said to have risen today by 7.31p, an increase of 23.58%. Goup revenues fell overall by £15 million, a decrease of 4%.