股價循環股
cyclical stocks
指隨經濟區是其價值上下波動的有價証券，當經營狀況迅速改善是其價值迅速上升，當經營狀況逐步惡化時其價值非常顯著的下跌。
It refers to the economic zone with its fluctuating value of securities, when business conditions improve rapidly its value is rising rapidly, when the operating conditions of the gradual deterioration of its value is very significant decline.