Total income of 1,947 companies listed on the Chinese mainland jumped 41.17 percent in the first half of this year, and 390 of them have estimated that their profit would grow in the first three quarters in their preliminary reports.

They earned a combined 785 billion yuan (US$115 billion) in net profit in the first six months and their revenue grew 42.23 percent to 7.9 trillion yuan, taking up 46 percent of China's gross domestic product in the period, data compiled by Shanghai Securities News showed.

Investment returns made by the companies fell 16.21 percent in the first half, reflecting that their profits were generated from mainly their core business, the newspaper said.

In the second quarter, listed firms saw their profit rise by a slower pace of 9.74 percent from the previous quarter to 354.5 billion yuan, and analysts predicted an easing in income growth of the companies in the second half of this year.

Meanwhile, 714 listed firms reported their preliminary results for the first three quarters, with 390 of them estimating profit growth, according to Wind Information.