Aric Parnes, 5th Year Medicine. Definition. First described by Adams and Foley in 1949,1 asterixis is a clinical sign indicating a lapse of posture and is usually manifest by a bilateral flapping tremor at the wrist, metacarpophalangeal, and hip joints.2, 3 It may also be seen in tongue, foot, and any skeletal muscle.
Market cap is a measure of a company's importance. Companies with higher market caps are given more weight in the major stock indices. Market cap is also important in merger and acquisition activities because it sets a company's market price..
For a market to become efficient, investors must perceive that the market is inefficient and possible to beat. Ironically, investment strategies intended to take advantage of inefficiencies are actually the fuel that keeps a market efficient. A market has to be large and liquid.