Jefferies Makes Another Wall Street Rescue, Shores Up FXCM With $300 Million

``One of several brokerage firms that allow retail traders to make sizable currency bets while committing relatively minuscule amounts of capital, FXCM was caught wrong-footed when the Swiss National Bank bagged its currency floor of 1.20 Swiss francs per euro and the franc surged. The result was customers with losses that tore through their thin capital layer owed the brokerage some $225 million, putting the company's coffers below regulatory capital requirements.''