A movement to force big mutual funds and institutions to divest from companies that activists feel are not worthy of U.S. investment dollars has had limited success as of late. But Fidelity Investments has disclosed that it has sold more than 90 percent of its PetroChina ADRs. PetroChina is controversial because of its parent's oil operations in Sudan. Fidelity, the mutual fund giant, did not disclose why it sold. But it has been noted, and some feel it might embolden activists to step up pressure on other shareholders, according to the Financial Times. Berkshire Hathaway is the largest foreign investor in PetroChina. Fidelity still owns a lot of PetroChina shares listed in Hong Kong. It's unclear whether it will sell those as well.

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- here's the article Financial Times