How much money should I invest in stocks? If you’re investing through funds — have we mentioned this is our preference? — you can allocate a fairly large portion of your portfolio toward stock funds, especially if you have a long time horizon. A 30-year-old investing for retirement might have 80% of his or her portfolio in stock funds; the rest would be in bond funds. Individual stocks are another story. We’d recommend keeping these to 10% or less of your investment portfolio.
UnitedHealth Group said Friday that Dirk C. McMahon, currently president and chief operating officer of Optum, would become CEO of its UnitedHealthcare division. McMahon replaces Steve Nelson, who is retiring from UnitedHealthcare. The nation's largest health insurer also said Daniel J. Schumacher, currently president and chief operating officer of UnitedHealthcare, was named president and chief operating officer of Optum, the company's health-services arm.