An electronic system for displaying market-makers' quotations in UK quotations admitted to the London Stock Exchange. SEAQ forms the interface between the market-makers and their customers allowing the entry and display of bid and ask prices on the SEAQ system.
SEAQ International
The London Stock Exchange's electronic price quotations system for non-UK equities, similar to SEAQ.
SEATS
A London Stock Exchange service which supports the trading of listed UK equities in which turnover is insufficient for the market making system.
SEC
The Securities and Exchange Commission, established by Congress to protect investors in securities transactions.
Second Marché
Second Market of Euronext Paris. This market is chiefly intended for medium-sized firms.
Secondary market
Trading in a new issue, either OTC or on an exchange, immediately following its original issuance.
Secondary offering
A registered offering of a large block of a security that has been previously issued to the public. The blocks being offered may have been held by large investors or institutions, and proceeds of the sale go to those holders, not the issuing company. Also called secondary distribution.
Securities analyst
An individual who does investment research and makes recommendations to buy, sell, or hold. Most analysts specialize in a single industry or business sector.
Securitised derivative
Instruments that derive their value from another security (the underlying security), such as a share, share price index, currency or bond.
Security
Generic name for a stock or share. Stocks are fixed-interest securities and shares are the rest.