A lawsuit recently filed against JPMorgan Chase paints a picture of how JPMorgan “profited in its deals with the weak,” according to a New York Times article by Louise Story called “JPMorgan Accused of Breaking Its Duty to Clients.” In this case, the “weak” are pension funds that lost nearly $500 million that was invested on their behalf by JPMorgan in notes issued by a troubled Structured Investment Vehicle (SIV) called Sigma.