The lophophore /ËlÉfÉfÉÉr/ is a characteristic feeding organ possessed by four major groups of animals: the Brachiopoda, Bryozoa, Hyolitha, and Phoronida, which collectively constitute the protostome group Lophophorata. All lophophores are found in aquatic organisms.
market metrics. Definition. Quantitative measurements of a specific securities market. Typically used by analysts to track a company's performance. For example, pre-tax earnings is a metric used to determine how efficiently a company earns revenue prior to paying corporate taxes.
Markets can also be worldwide, for example the global diamond trade. National economies can be classified, for example as developed markets or developing markets. In mainstream economics, the concept of a market is any structure that allows buyers and sellers to exchange any type of goods, services and information. The exchange of goods or services, with or without money, is a transaction. Market participants consist of all the buyers and sellers of a good who influence its price, which is a major topic of study of economics and has given rise to several theories and models concerning the basic market forces of supply and demand.