FTSE 100 joins global rally, boosted by banks, travel shares

(Reuters) - Britain's FTSE 100 rose on Monday, boosted by banks and travel stocks, as investors globally returned to riskier assets after several countries signalled the easing of lockdowns measures.The blue-chip index closed 1.6% higher, but lagged its continental peers as Prime Minister Boris Johnson returned to work after recovering from COVID-19 with a warning that it was still too dangerous to relax Britain's stringent restrictions on economic activity and everyday life.Johnson, however,..