Billionaire investor Paul Singer also warns of a scenario of "real class warfare."
Investors need to rethink how to put money in bonds, BlackRock's Jeff Rosenberg says.
Stronger earnings will be the key driver for the bull market, leading quantitative strategists tell CNBC.
Pfizer reported higher-than-expected second-quarter earnings, helped by growing sales of its cancer medicines.
Get the best of CNBC in your inbox