Closing bell: Markets end the day flat * Housing slump will hurt US economy: Ben Bernanke * Tata Consultancy to consider increasing hedging if rupee gains * Blue Dart Q3 net doubles y-o-y

Closing bell: Markets end the day flat * Housing slump will hurt US economy: Ben Bernanke * Tata Consultancy to consider increasing hedging if rupee gains * Blue Dart Q3 net doubles y-o-y

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