周一盘中，氢燃料电池技术公司普拉格能源（Plug Power，股票代码：PLUG）股价大幅下跌5.31%，引发投资者关注。
此次股价下跌主要受到分析师评级调整的影响。据报道，海纳国际集团维持了对普拉格能源的"中性"评级，但将目标价从1.80美元下调至1.25美元，降幅达30.56%。这一显著的目标价下调可能是导致投资者信心受挫，进而引发股价下跌的主要原因。
值得注意的是，分析师的评级和目标价调整通常会对股票价格产生重要影响。目标价的下调往往被市场解读为公司未来成长性或盈利能力可能不及预期，从而引发投资者的抛售行为。然而，投资者在做出投资决策时，仍需综合考虑公司基本面、行业趋势等多方面因素，而不应仅仅依赖单一分析师的观点。
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