Shire's next deal could be "transformational" - part 4

This latest global stockmarket rout seems to have had little impact on the booming M&A market, with Betfair announcing a £5 billion merger with Paddy Power this morning and Schlumberger striking a deal to purchase Cameron International in the US for $14.8 billion.

Those deals come after RSA agreed a £5.6 billion sale to Switzerland's Zurich earlier this week.