In several different outstanding capital stocks, when the index is rising, the herd behavior of the outstanding capital stock is obvious; while the index fell, shares of small outstanding capital stock are more stable than other sectors. 在流通股本数不同的股票中,上涨时期小流通股本的股票羊群行为比较明显;而在下跌时期,小流通股本数的股票却比其他板块的股票稳定。