Security 1 has beta > 1. It amplifies market volatility. alpha < 0, so it underperforms w/r/t market volatility. Its average return is less than that of the market. About 63% of volatility is ...

Supelco自1966年便开始生产气相填充柱及相关产品（空柱、填料、固定液、载体）。在气相色谱柱方面积累的多年经验及优质的产品，使得Supelco成为气相填充柱的世界知名的领先供应商。Supelco提供各种不同填料和不同材质的气相填充柱。我们所有玻璃填充柱都经过 ...