Zynga ( ZNGA), the social gaming company, saw its shares fall 12% to $2.48 on Friday after it forecast a loss for the third quarter and lowered its full-year outlook.


General Motors ( GM) said it and its joint ventures in China sold 244,266 vehicles in the country in September, an increase of 1.7% from last year.


Taiwan's HTC, the world's fifth-largest maker of smartphones, said third-quarter profit declined 79%.


-- Written by Joseph Woelfel

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