UnitedHealth Group is taking up the samba. The insurer said Monday that it would buy 90% of Amil Participações, Brazil's largest health-care company by revenue, for $4.3 billion. About three-quarters of Brazil's population gets health care through a government-run system, but UnitedHealth says the demand for private coverage is rising as the country's expanding middle class seeks access to newer facilities and technology.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”