The security market or the 'stock market' was formed in the 15th and 16th centuries; it is an assemblage of financial and economic relations between its participants in the issue and circulation of securities: shares and bonds, as well as their financial derivatives. The work of the entire complex of the security market is supported by a complex infrastructure - stock exchanges, public and private banks, broker and dealer companies, clearing and settlement organizations, as well as registrars and regulators. According to the nature of the movement of securities, the stock market is divided into primary market (including IPO), secondary market, the third market (over the counter market) and the fourth market.
Example of a trade transaction in the stock market
The Berkshire Hathaway company of the world's largest investor Warren Buffett in the IV quarter of 2016 increased fourfold investments in the shares of the world's largest capitalization company Apple Inc in twice. According to a report submitted by Berkshire Hathaway to the US Securities and Exchange Commission (SEC) on December 31, 2016, it owned 57.36 million shares of Apple compared to 15.23 million as of September 30, 2016. In the fourth quarter of 2016, securities of Apple Inc. rose up on 2.5%, and within 1.5 months of 2017 on 16.6%, having renewed its maximum price of $ 132.54 per share, reached on May 22, 2015, having exceeded the mark of $ 135.72 per security. On this transaction, Warren Buffett earned over $ 1.1 billion in 6 weeks. Between February 2017 and March 2018, the value of Apple Inc. shares increased on 32.61%.