European shares slump as Apple warning hammers China-reliant sectors

(Reuters) - European shares dropped on Tuesday as a revenue warning from Apple Inc sent shockwaves through the tech sector, hammering iPhone parts makers and underlining the impact of the coronavirus outbreak on global supply chains.Apple's Frankfurt-listed shares dropped nearly 5% after the company said it would miss its March-quarter sales outlook due to the epidemic, which has killed more than 1,800 people and forced businesses to shut operations.Shares of STMicroelectronics NV and Dialog..