SINGAPORE/BOSTON (Reuters) - Asian shares wavered on Friday, weighed down by the return of tech-heavy South Korean stocks from holidays, but relatively strong earnings from U.S. tech giants kept risk sentiment intact while tariff threats pushed the dollar and gold prices higher. Investors were also weighing central bank actions this week in which the Federal Reserve held rates steady on...

SINGAPORE/BOSTON (Reuters) - Asian shares wavered on Friday, weighed down by the return of tech-heavy South Korean stocks from holidays, but relatively strong earnings from U.S. tech giants kept risk sentiment intact while tariff threats pushed the dollar and gold prices higher. Investors were also weighing central bank actions this week in which the Federal Reserve held rates steady on...

Jan 31 (Reuters) - Britain's FTSE 100 index is seen opening higher on Friday, with futures up/down 0.09%. * NHS: Britain's National Health Service (NHS) will provide a cutting-edge gene therapy from Vertex Pharmaceuticals ( VRTX ) and CRISPR Therapeutics that aims to cure sickle cell disease. * LLOYDS SURVEY: British businesses turned more pessimistic in January, extending a run...

(Changes dateline, updates to Asia open) * Global stocks up after Big Tech earnings * Dollar edges higher, gold hits record on tariff worries * Fed keeps U.S. rates steady, ECB cuts them By Lawrence Delevingne and Ankur Banerjee SINGAPORE/BOSTON, Jan 31 (Reuters) - Asian shares wavered on Friday, weighed down by the return of tech-heavy South Korean stocks from...