A stock market, equity market or share market is the aggregation of buyers and sellers of stocks Investment in the stock market is most often done via stockbrokerages and By country, the largest stock market was the United States (about 34%), By the end of October, stock markets in Hong Kong had fallen 45.5%, Reasons to invest in international shares with nabtrade Australia represents only around 2% of the global equity market, with much of it heavily concentrated in With nabtrade, investors can trade in the US, UK, Hong Kong and Germany.