买股票的人数超过了一定比例．那么根据“反群众心理”，这时候该向卖出股票。相反，“超卖”则代表股票卖过了头，卖股票的人数超过一定的比例反而应该买。最简单的就是看KDJ指标。当D>80，超买；D<20，超卖；J>100%超买；J<10%超卖就相对强弱指数而言，随机分析被用来识别超买或超卖状态。随机波动与基本价格运动之间的偏离非常重要。当曲线位于70%或80%水平以上时，超买状态通常会发生；当曲线位于30%或20%水平以下时，超卖状态通常会发生。
股市大幅降低周三超买状态从过去的几天里继续放松。
Stocks moved dramatically lower on Wednesday as overbought conditions from the past few days continued on unwind.
欧盟领导人还同意让EFSF购买国债，以维持欧元的超买状态和投资者对该货币的信心不变。
EU leaders also agreed to let EFSF buy sovereign bonds which could keep the Euro buoyant and keep confidence in the currency intact.
总而言之，考虑到短期内呈现超买状态及欧盟峰会即将召开，本周可能呈现盘整，既然乐观情绪已然被消化进小事件中。
Overall, next week could see some consolidation develop in light of overbought short-term conditions and ahead of the EU summit, now that so much optimism has been priced in on so little of substance.
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