London's FTSE 100 was down 0.2% to 7,667.26 in afternoon trade on Monday, off earlier lows but still the red amid weakness in the housebuilding and airline sectors, with Trump's latest Twitter threat to Iran undermining sentiment.
Markets in Asia finished mixed on Monday, with Japanese shares taking a tumble on the back of a stronger yen.
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London stocks fell in early trade on Monday, with sentiment taking a knock once again from comments by US President Donald Trump and airlines lower after disappointing results from Ryanair.
London stocks were set for a weaker open on Monday amid ongoing trade tensions following the G20 summit.
* Demand from cryptocurrency expected to soften in H2 * Sees high-performance chips contributing more to 2018 revenue * Q2 profit T$72.29 bln vs T$71.895 bln analyst view * Q2 revenue in line with company forecast (Adds quotes, context) By Yimou Lee and Jess Macy Yu TAIPEI, July 19 (Reuters) – Taiwan Semiconductor Manufacturing Co Ltd (TSMC), the world’s largest contract chipmaker, trimmed its annual revenue and capital spending estimates on bleak demand from smartphone and cryptocurrency mining industries.