Phosphorylation of signal transduction molecules is a major activating event that leads to dramatic changes in tumor growth. Some TKs, such as epidermal growth factor receptor (EGFR)-TK, can autophosphorylate when activated, as well as phosphorylating other signaling molecules [2].
Risk indexes Definition: Categories of risk used to calculate fundamental beta, including (1) market variability, (2) earnings variability, (3) low valuation, (4) immaturity and smallness, (5) growth orientation, and (6) financial risk.
Volatility in the stock market is measured by the Volatility IndexÂ® or VIXÂ®. It describes the implied volatility of the S&P 500, using stock index option prices.It was created by the CBOE (Chicago Board Options Exchange) in 1993, and is used to gauge investor sentiment.(Source: CBOE, Intro to the VIX). The VIXÂ® is informally referred to as the fear index.arket volatility refers to the velocity of price changes for any market, including commodities, forex and the stock market. Increased volatility of the stock market is usually a sign that a market top or market bottom is at hand.