Qualcomm seeks Apple iPhone sales ban

Qualcomm, the world’s biggest producer of mobile phone chips, has appealed for the sale of some iPhones in the US to be blocked claiming that iPhones using chips by rivals, such as Intel, infringe six of its patents. The company said it had asked the US International Trade Commission (ITC) to investigate and impose an import block. It is the latest move in a series of disputes and lawsuits between Apple and Qualcomm BBC reports. In January, Apple filed two lawsuits against Qualcomm, claiming it had abused its dominant market…

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Markets are suddenly tumbling all around the world, right as Twitter is going public

North American stocks have been sliding all morning. The S&P 500 index is down 0.6%, trading at 1760, 14 points off the highs of the morning. The Dow Jones Industrial Average is down 0.2%, but the NASDAQ is the big lagger, down 1.0%. The index is being dragged lower by QUALCOMM (down 3.8%), Whole Foods (down 8.9%), and Tesla (down 7.5%), which all missed expectations on earnings this week. And after a boost earlier, European indices are now giving up gains. The Italian FTSE MIB is down 1.6%, and the…

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