The exercise was also useful in that the data mining class includes both business students and those from the university's engineering department, among them graduate computing student Rosskyn Dsouza, who gained some new commercial insights.

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This is a little naive given that the modern securities class action is mainly an exercise in getting a case past the motion to dismiss and only a handful of cases have every gone before a jury.

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Led by a video projected on to a whiteboard nine children, a mix of Latinos and African-Americans, walk or jump on the spot, swing their arms, stretch and reach in an exercise class that lasts around 15 minutes.

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