判断股指期货是否出现投机,一看成交量,二看波动幅度。暴涨暴跌、大起大落曾在股市中几度交替出现,牛市行情固然让投资者欣喜,而一旦遭遇大 To determine whether the emergence of stock index futures speculation, a look at the volume, two to see the volatility. Soaring, plunged, ups and downs in the stock market has appeared on the turn several times, although the bull market investors delight, and in case of large