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.
How the NYSE Market Model Works. Designated Market Maker. The cornerstone of the NYSE market model is the Designated Market Maker (DMM). DMMs have obligations to maintain fair and orderly markets for their assigned securities. They operate both manually and electronically to facilitate price discovery during market opens, closes and during periods of trading imbalances or instability.