AIDS activists poured cat litter on an image of Turing Pharmaceuticals CEO Martin Shkreli during an October protest in New York. Craig Ruttle/AP hide caption

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A wall in Buenos Aires, Argentina, displays posters with an image of U.S. Judge Thomas Griesa and a message in Spanish — "Sovereignty or vulture scam" — in support of Argentina's government in its dispute against a U.S. hedge fund, known locally as a "vulture fund." Natacha Pisarenko/AP hide caption

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A woman in Buenos Aires walks with her dog past a mural that reads "Vultures" in Spanish. The mural is a reference to the dispute between the Argentine government and U.S. hedge funds. Victor R. Caivano/AP hide caption

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Former SAC portfolio manager Michael Steinberg (center) exits a Manhattan federal court with his attorney after his indictment on securities fraud charges in March. Louis Lanzano/AP hide caption

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