In the second of his series of documentaries on modern finance, Evan Davis heads into the world of the City's risk professionals - the derivatives whizzkids, and hedge fund managers.
Their toolkit of tricks mean they can and do make billions, yet they're often viewed with suspicion, and labelled the bad boys. In this film, Evan Davis meets the men behind the myths.
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Ready to Watch The City Uncovered, Season 1, Episode 2?