Mutual funds, pensions and other large shareholders that rely on two large proxy advisory firms, Glass Lewis and Institutional Shareholder Services, are concerned that new ownership at the businesses might be affecting the quality of the advice they impart, The Wall Street Journal reports.

In particular, Xinhua Finance of Shanghai, which has ties to the Chinese government, increased its stake in Glass Lewis from 19.9% to buy it outright, and just last week, two of the firm’s top research executives resigned due to concerns about Xinhua Finance.

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