FOMO, YOLO, RINO: The quirkiest catchphrases explaining the surprising buoyancy of the stock market and economy

• Experts have struggled to find textbook explanations for the surprising economic buoyancy and stock-market rally of 2023. 
• Many commentators have instead turned to trendy catchphrases - such as FOMO and YOLO - to describe the behavior of investors and consumers. 
• Here's a roundup of the quirkiest buzzwords used to comment on US equities and the economy. 

Many market experts have been at a loss to explain this year's surprisingly buoyant trend in US stocks, despite a slew of signals that the economy may be headed for a recession. Even the Federal Reserve's aggressive interest-rate increases and a bout of banking turmoil failed to rein the equity market's momentum.