Morgan Stanley acknowledges that international stocks are likely to outperform U.S. stocks.
As volatility increased, hedge funds mostly sat on a large inventory of U.S. equities.
The growth rate of corporate debt burdens among non-financial companies has doubled since 2010.
The flattening yield curve demands attention from investors, the firm said.
JPMorgan Asset Management says some bargains may be too good to be true.
A rising percentage of non-U.S. members of the Bloomberg World Index are in a bear market.
Dimon also said the bull market could continue for two or three more years.
Analytics involving U.S. corporate bonds are signaling a recession, he says.
A wave of dividend payments could provide the equity market "temporary relief," Morgan Stanley said.
Investors can't rely on a diversified portfolio for protection when markets are volatile, says JPMorgan Asset Management.