Current assets include investments in Portuguese banks and Portuguese TV and Internet company Zon Multimedia.

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According to Forbes, Isabel Dos Santos is the biggest shareholder in Zon Multimedia, the biggest cable TV operator in Portugal, owning a 28.8% stake.

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Two researchers at Harvard's Stem Cell Institute, David Scadden and Leonard Zon, contributed two compounds in midstage human tests that Fate Therapeutics believes could prove that traditional medicines can work on stem cells.

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