Quotes displayed in real-time or delayed by at least 15 minutes. Market data provided by Factset. Powered and implemented by FactSet Digital Solutions. Legal Statement. Mutual Fund and ETF data provided by Refinitiv Lipper. The Carlyle Group co-founder David Rubenstein argues The Fed is attempting to avoid stagflation and not raising interest rates ‘too much’ amid soaring inflation. The world's largest hedge fund is sounding the alarm over a possible return to 1970s-style "stagflation," as the Federal Reserve moves to tame sky-high inflation.