US embassy account serves as a suggestion box for frustrated Chinese small investors. China's stock market is in crisis; CSI300 stock index fell by 6.3 percent in January.

China is considering a package of measures worth billions to stabilize the stock market. Chinese authorities have stepped up their efforts to reassure investors, sending positive messages that sometimes have the opposite effect, users say. The export-driven country continues to suffer from weak global demand, a struggling real estate market and weak domestic consumption, which has been causing prices to continue to fall.