tendency
131S&P phenomenon — Tendency of stocks newly added to the S&P composite index to rise in price due to a large number of buy orders as S&P related index funds add the stock to their portfolios. Bloomberg Financial Dictionary …
132option sensitivities — Tendency of option price ( premium) to change as a result of changes in key factors; changing prices in the underlying instrument for example (see delta, vega and theta). LIFFE …