S

securities and exchange commission (SEC)

The U.S. federal agency that administers securities laws.

security

A negotiable instrument, issued by a company or the government, representing a debt or associated right. The two main types of securities are stocks and bonds.

share

An investment security with variable revenue; a single unit of a class of ownership in a corporation, representing a fraction of the share capital.

share price

The price of a share at a given moment, as determined by supply and demand.

shareholders’ pact

An agreement signed by major shareholders in a company to consult each other, especially if one decides to sell his stake. In general, these pacts are signed for a given period. The members of a pact have a right of first refusal.

stock market index

In the stock market, an index is a n indicator that measures changes in the prices of a defined basket of stocks, and represents the development in this particular market segment.
The main indeces are e.g. CAC40 in France, DAX30 in Germany, IBEX35 in Spain, FTSE 100 in the UK. In the US the best known indices are DowJones and NASDAQ.