>> no. julie: janet yellen leads her final meeting at the fed, and a cryptocurrencies shed, a trio of business legends launch a venture that could transform health care. >> they are teaming up and saying they will do something in health care, something big. julie: nafta talks continue. canada's minister of foreign affairs sees cautious optimism. >> i think a win-win-win outcome can be achieved. julie: some of the world's most valuable companies report earnings. >> we have not done a deal in 3.5 years, but this one was too good to pass up. >> we have shown we have what it takes. >> i think there has probably not been as good a time to be in banking in the three main economic blocks. julie: it is all straight ahead on "bloomberg best." ♪