Jeff Gundlach.AP Photo/Richard Drew Billionaire 'Bond King' Jeff Gundlach warned oil prices could surge past $200 a barrel. The DoubleLine Capital boss rang the stagflation alarm, and slammed the Fed's stimulus efforts. Gundlach touted emerging-market stocks over US equities, and trumpeted cash and bonds. Billionaire investor Jeff Gundlach predicted crude oil prices would climb to $200 a barrel, and warned soaring prices and shortages could lead to stagflation in the US, during a Magnifi Media interview this week.The DoubleLine Capital CEO — whose nickname is the "Bond King" — blasted the Federal Reserve and Treasury for overstimulating the economy, advised investors to buy emerging-market stocks, and touted cash and bonds as protection against potential deflation.Here are Gundlach's 8 best quotes from the interview, edited for length and clarity:1.