BEIJING - More than 60 percent of investors in the stock market in China say they regularly experience negative moods, according to a recent health survey.

On Wednesday, the Chinese Medical Doctor Association, the Chinese Hospital Association, the Beijing Health Maintenance Organization and the Ciming Checkup Company jointly released the results of a survey based on the polling of 376,750 stock market investors on the Chinese mainland. The survey was conducted between October 2010 and February 2011.

Some 61.3 percent of respondents said they felt negative moods while 11 percent experienced fatigue, 9.3 percent were irritable and 8.9 percent could not shake a feeling of disinterest in life.