Stocks under pressure as Apple sounds warning on coronavirus

TOKYO (Reuters) - Asian shares fell and Wall Street was poised to retreat from record highs on Tuesday after Apple Inc said it would miss its March quarter revenue guidance as the coronavirus slowed production and weakened demand in China.The warning from the most valuable U.S. company sobered investor optimism that stimulus from China and other countries would protect the global economy from the effects of the epidemic.S&P500 e-mini futures slipped as much as 0.4% in Asian trade while Nasdaq..