Bankers flying in and out of London over the next few weeks will face lengthy queues as the UK’s transport infrastructure contends with the challenge of having the world’s sports fans descend on the capital.

However, it isn't just tourists and Olympics enthusiasts booking flights for the UK. In a subdued market foR M&A, the percentage of UK-targeted activity made up by foreign buyers is at a record. Cross-border activity comprises 71.2% of total UK-targeted M&A in the year to date, according to Dealogic. Total inward investment, at $68.3bn, is at its highest since 2008.