In coming up with its dividend-stock list, UBS looked for companies that had a market capitalization of more than 4 billion euros, a dividend yield above the European projected forward 12-month dividend yield of 4.5% and cash on books of 5% or more as a percentage of total assets.
In an unusual conference call with Apple investors on Thursday, Mr. Einhorn called on the tech company to issue the preferred stock as a way of returning cash to yield-hungry investors.