Global shares fall on weak results, dollar pares losses

Weak quarterly earnings from Celgene led a fell in U.S. biotech shares, while shares of Harman International Industries fell over 7 percent after the maker of audio systems cut its 2015 profit forecast. Apple was the biggest drag on the Dow after a Wall Street Journal report said a key component of the Apple Watch was found to be defective. Technology stocks in Europe sold off after disappointing numbers from Nokia . The FTSEurofirst 300 index of top European shares was set to post its biggest w