STOCK MARKET
The Definition
The expression 'stock market' refers to the market that enables the trading of company stocks (collective shares), other
securities, and
derivatives. Bonds are still traditionally traded in an informal,
over-the-counter market known as the
bond market. Commodities are traded in
commodities markets, and derivatives are traded in a variety of markets (but, like bonds, mostly 'over-the-counter').
The size of the worldwide 'bond market' is estimated at $45 trillion. The size of the 'stock market' is estimated at about $51 trillion. The world derivatives market has been estimated at about $480 trillion 'face' or
nominal value, 30 times the size of the U.S. economy…and 12 times the size of the entire world economy. It must be noted though that the value of the derivatives market, because it is stated in terms of
notional values, cannot be directly compared to a stock or a fixed income security, which traditionally refers to an
actual value. (Many such relatively
illiquid securities are valued as
marked to model, rather than an actual
market price.)
The stocks are listed and traded on
stock exchanges which are entities (a
corporation or
mutual organization) specialized in the business of bringing buyers and sellers of stocks and securities together. The stock market in the United States includes the trading of all securities listed on the
NYSE, the
NASDAQ, the
Amex, as well as on the many regional exchanges, e.g.
OTCBB and
Pink Sheets. European examples of stock exchanges include the
Paris Bourse (now part of
Euronext), the
London Stock Exchange and the
Deutsche Borse.
TradingParticipants in the stock market range from small individual
stock investors to large
hedge fund traders, who can be based anywhere. Their orders usually end up with a professional at a stock exchange, who executes the order.
Some exchanges are physical locations where transactions are carried out on a trading floor, by a method known as
open outcry. This type of auction is used in stock exchanges and
commodity exchanges where traders may enter "verbal" bids and offers simultaneously. The other type of exchange is a virtual kind, composed of a network of computers where trades are made electronically via traders.
Actual trades are based on an
auction market paradigm where a potential buyer bids a specific price for a stock and a potential seller asks a specific price for the stock. (Buying or selling at market means you will accept any ask price or bid price for the stock, respectively.) When the bid and ask prices match, a sale takes place on a first come first served basis if there are multiple bidders or askers at a given price.
The purpose of a stock exchange is to facilitate the exchange of securities between buyers and sellers, thus providing a
marketplace (virtual or real). The exchanges provide real-time trading information on the listed securities, facilitating price discovery.
The
New York Stock Exchange is a physical exchange, also referred to as a listed exchange — only stocks listed with the exchange may be traded. Orders enter by way of exchange members and flow down to a
specialist, who goes to the floor trading post to trade stock. The specialist's job is to match buy and sell orders using open outcry. If a
spread exists, no trade immediately takes place--in this case the specialist should use his/her own resources (money or stock) to close the difference after his/her judged time. Once a trade has been made the details are reported on the "
tape" and sent back to the brokerage firm, which then notifies the investor who placed the order. Although there is a significant amount of human contact in this process, computers play an important role, especially for so-called "
program trading".
The
NASDAQ is a virtual listed exchange, where all of the trading is done over a computer network. The process is similar to the New York Stock Exchange. However, buyers and sellers are electronically matched. One or more NASDAQ
market makers will always provide a bid and ask price at which they will always purchase or sell 'their' stock.
The
Paris Bourse, now part of
Euronext, is an order-driven, electronic stock exchange. It was automated in the late 1980s. Prior to the 1980s, it consisted of an open outcry exchange.
Stockbrokers met on the trading floor or the Palais Brongniart. In 1986, the
CATS trading system was introduced, and the order matching process was fully automated.
From time to time, active trading (especially in large blocks of securities) have moved away from the 'active' exchanges.
Securities firms, led by UBS AG, Goldman Sachs Group Inc. and Credit Suisse Group, already steer 12 percent of U.S. security trades away from the exchanges to their internal systems. That share probably will increase to 18 percent by 2010 as more investment banks bypass the NYSE and NASDAQ and pair buyers and sellers of securities themselves, according to data compiled by Boston-based Aite Group LLC, a brokerage-industry consultant [citation needed].
Now that computers have eliminated the need for trading floors like the
Big Board's, the balance of power in equity markets is shifting. By bringing more orders in-house, where clients can move big blocks of stock anonymously, brokers pay the exchanges less in fees and capture a bigger share of the $11 billion a year that institutional investors pay in trading commissions.
Importance of stock marketFunction and purposeThe stock market is one of the most important sources for
companies to raise
money. This allows businesses to go public, or raise additional capital for expansion. The
liquidity that an exchange provides affords investors the ability to quickly and easily sell securities. This is an attractive feature of investing in stocks, compared to other less liquid investments such as
real estate.
History has shown that the price of
shares and other assets is an important part of the dynamics of economic activity, and can influence or be an indicator of social mood. Rising share prices, for instance, tend to be associated with increased business investment and vice versa. Share prices also affect the wealth of households and their consumption. Therefore,
central banks tend to keep an eye on the control and behavior of the stock market and, in general, on the smooth operation of
financial system functions. Financial stability is the
raison d'ĂȘtre of central banks.
Exchanges also act as the clearinghouse for each transaction, meaning that they collect and deliver the shares, and guarantee payment to the seller of a security. This eliminates the risk to an individual buyer or seller that the
counterparty could default on the transaction.
The smooth functioning of all these activities facilitates
economic growth in that lower costs and enterprise risks promote the production of goods and services as well as employment. In this way the financial system contributes to increased prosperity.
Relation of the stock market to the modern financial systemThe financial system in most western countries has undergone a remarkable transformation. One feature of this development is
disintermediation. A portion of the funds involved in saving and financing flows directly to the financial markets instead of being routed via banks' traditional lending and deposit operations. The general public's heightened interest in investing in the stock market, either directly or through
mutual funds, has been an important component of this process.
Statistics show that in recent decades shares have made up an increasingly large proportion of households' financial assets in many countries. In the 1970s, in
Sweden,
deposit accounts and other very liquid assets with little risk made up almost 60 per cent of households' financial wealth, compared to less than 20 per cent in the 2000s. The major part of this adjustment in
financial portfolios has gone directly to shares but a good deal now takes the form of various kinds of institutional investment for groups of individuals, e.g., pension funds, mutual funds, hedge funds, insurance investment of premiums, etc. The trend towards forms of saving with a higher risk has been accentuated by new rules for most funds and insurance, permitting a higher proportion of shares to bonds. Similar tendencies are to be found in other
industrialized countries. In all developed economic systems, such as the
European Union, the
United States,
Japan and other developed nations, the trend has been the same: saving has moved away from traditional (government insured) bank deposits to more risky securities of one sort or another.
The stock market, individual investors, and financial riskRiskier long-term saving requires that an individual possess the ability to manage the associated increased risks. Stock prices fluctuate widely, in marked contrast to the stability of (government insured) bank deposits or bonds. This is something that could affect not only the individual investor or household, but also the economy on a large scale. The following deals with some of the risks of the financial sector in general and the stock market in particular. This is certainly more important now that so many newcomers have entered the stock market, or have acquired other 'risky' investments (such as 'investment' property, i.e., real estate and
collectables).
With each passing year, the noise level in the stock market rises. Television commentators, financial writers, analysts, and market strategists are all overtalking each other to get investors' attention. At the same time, individual investors, immersed in chat rooms and message boards, are exchanging questionable and often misleading tips. Yet, despite all this available information, investors find it increasingly difficult to profit. Stock prices skyrocket with little reason, then plummet just as quickly, and people who have turned to investing for their children's education and their own retirement become frightened. Sometimes there appears to be no rhyme or reason to the market, only folly.
This is a quote from the preface to a published biography about the long-term value-oriented
stock investor Warren Buffett.
[2] Buffett began his career with $100, and $105,000 from seven limited partners consisting of Buffett's family and friends. Over the years he has built himself a multi-billion-dollar fortune. The quote illustrates some of what has been happening in the stock market during the end of the 20th century and the beginning of the 21st.
SOURCE: WIKIPEDIA