why would I worry about India, I am american, living here. US is way better than you...
reserves ...reserves you choose to put into US bonds vs yours
every developed nation has stock markets as a barometer, an indicator of where the economy is heading or at least at a minimum the strenght of it...besides china .
China's foreign exchange reserves are in foreign currency (mainly US dollars) due to the sterilisation of domestic currency from the exchange rate peg. Therefore PBOC buys assets denominated in that foreign currency, mainly US bonds.
Actually its well known the Chinese stock market is decoupled from the real economy as the Chinese stock market is highly regulated and underdeveloped. Most of the wealth creating private companies are not listed on the stock market. Chinese stocks are not used as investing but gambling because most of the investors are retail investors whereas in the developed markets it is institutional investors. Now 50% of the stocks in the Hong Kong stock exchange is mainland companies so the Hang Seng is used by investors to play the China story due to the ease of access to the Hong Kong stock market.