该业务的下滑已导致三星电子目前股价较年初累计下跌12%，而同期韩国综合指数则上涨近30%。
The benchmark Korea Composite Stock Price Index, or Kospi, meanwhile, is up almost 30% for the year.
主要指数因零星的消息而上下波动，在一天的大量下跌后出现大的反弹紧随其后，反之亦然。
Major indexes have swung up or down on the slightest piece of news, with big rallies following just a day after large declines, and vice versa.
基于指数法、双曲线法、星野法，提出了根据最小偏差自动选取计算模型的思想。
Based on the exponential method, hyperbolic method and Hushino method, the idea to select calculating model automatically in the light of least deviation is raised.
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