Reuters GraphicsIdanna Appio, a portfolio manager at First Eagle Investments, said that TINA was good for passive investors as it meant that equity prices went up because bond yields went down.
"The risk free rate," he added, referring to core government bond yields, "actually gives you something."
Bond funds recorded net inflows for six straight weeks until early January, BofA said, based on its analysis of EPFR data.
"The end of TINA is very important," said Francesco Sandrini, head of multi-asset strategies at Amundi, Europe's largest fund manager.
"You don’t need a bond bull market, you now have income," said Jeffrey Sherman, deputy chief investment officer at U.S. money manager DoubleLine.