Revenue growth slowed for United States-based companies in China last year, though a large number of them managed to remain profitable, a new report said.

According to the American Chamber of Commerce Shanghai's 2015-16 China Business Report, though 71 percent of the US companies were still in the black, only 61 percent reported revenue growth for 2015. The number of US companies in China with declining revenues more than doubled in 2015, from 11 to 23 percent. About 76 percent expected revenue growth in 2016, but mostly below 10 percent.

Retail seems to be the most promising sector, with 91 percent of the companies planning more investments in 2016. About 85 percent of the respondents were keen on enhancing investments in the services sector.