China's stock market has been rallying to multiyear highs. Fueling the bull run are ordinary Chinese households, flush with record savings and a fear of missing out.

China's stock market has been rallying to multiyear highs. Fueling the bull run are ordinary Chinese households, flush with record savings and a fear of missing out.

China's retail investors are getting savvier, thanks in part to hard lessons and a surge of online information.

Some individual investors see the rally carrying on, based on Beijing’s promise to put a floor under stocks and potential foreign inflows.