Moreover, basing on mathematical analysis of company performance mechanism, a linear model of corporate performance and TMT incentive portfolio is built;

结合公司绩效产生机理的数学分析，构建了公司绩效线性模型与高级管理层线性激励组合模型；

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Its performance charts and portfolio data can be combined with fund-flow analysis and liquidity screens to rate ETFs in a number of different ways.

WSJ: Best Websites for Screening ETFs