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The U.K. currency falls to its lowest intra-day level since the Oct. 7 'flash crash' before testimony from Bank of England Governor Mark Carney.
The chip maker sinks on news of production problems and a gloomy fourth-quarter prognosis.
The group's blood cancer drug Gleevec also holds up better than expected against generic competition.
Tech giants, Big Pharma and insurers are all angling to profit from the $3 trillion-plus U.S. healthcare market.