The pig market refers to the market that does not rise or fall. There are also bull markets and bear markets in the stock market.

Bull market, also known as bull market, also known as short market, refers to the market phenomenon that speculators keep buying securities when the basic trend of stock price continues to rise and the demand exceeds the supply. Long position means that investors are optimistic about the stock market and expect the stock price to be bullish, so they buy the stock at a low price and sell it when the stock rises to a certain price to obtain the difference income. Generally speaking, people usually call the stock market whose share price keeps rising for a long time a bull market. The main feature of stock price changes in bull market is a series of ups and downs.

Bear market, also known as the market, refers to the lower price market in the securities market. On the contrary, it is a bull market. The securities market here refers to common stocks, bonds, futures, options, foreign exchange, negotiable certificates of deposit, derivative financial products and other securities.