including pfizer, in its failed attempt to bias electra zeneca. >> the rational is one of simply to secure a lower corporate tax rate. you generate higher level of earnings power, and any future deals with a lower tax rate if you look back into u.s. companies that have higher tax rates, those deals become much more creative. >> the deal will allow metronic to store cash overseas. it's $13 billion which it would have to pay taxes if it was returned to the united states. today's deal may signal more to come as they respond to increasing pricing pressure from hospitals. already this year. zimmer bought biomed. >> further consolidation in the industry is formally in play. there's going to be a lot of speculation, i think with this transaction, it basically says that no deal is too big to be executed if there's a strategic rationale from a fundamental business perspective. >> one target analysts say is smith and nephew. for nightly business report, i'm meg terrell. >> ireland may be cool and green, but it's low tax rate and business friendly climate makes it red-hot these days, so it doesn't ta