What is a large-cap stock, small-cap stock, blue chip stock

There is no uniform standard for large-cap stocks, but it is generally agreed to refer to stocks with a relatively large share capital, that is, stocks issued by large companies with a large total market capitalization. Large-cap companies are usually shipbuilding, steel, petrochemical companies. Mid-cap stocks refers to the outstanding market capitalization than blue chips or large-cap stocks to be smaller, but higher than the small-cap stocks of a type of stock, the number of occupies the main body of the entire stock market.