London markets tumble on imminent circuit breaker lockdown concerns

London markets tumbled this morning on concerns fresh restrictions to curb the spread of Omicron are about to hit England. The capital’s premier FTSE 100 index slid 2.21 per cent to 7,109.19 points, while the mid-cap FTSE 250 index, which is more aligned to the health of the UK economy, plunged 1.98 per cent to [...]