Gold slides below $4,000 as trade optimism curbs safe-haven demand ahead of Fed rate decision. Gold slips as trade optimism boosts risk appetite, but Fed rate cut expectations limit downside. Bitcoin ...

London shares opened Tuesday with a mixed tone as the FTSE 100 rose slightly to 9,664.33, boosted by HSBC, while the FTSE 250 fell 0.2% to 22,465.90 and the AIM All-Share slipped 0.6% to 768.01.