Return of Irrational Exuberance?

‘Peak Euphoria’ Warning Blares as Stress Vanishes on Wall Street
https://www.bloomberg.com/news/articles/2024-02-16/-peak-euphoria-warning-blares-as-stress-vanishes-on-wall-street
Related:
https://finance.yahoo.com/news/peak-euphoria-warning-blares-stress-213820188.html 

Bubble talk builds in frothy US stocks
https://www.ft.com/content/87395804-37ba-40e0-bc4b-61caa2eeb781
The surge in shares such as Nvidia spark concerns over ‘irrational exuberance’

Record US Stock Rally Is Under Threat from a World in Turmoil
https://www.bloomberg.com/news/articles/2024-02-18/record-us-stock-rally-is-under-threat-from-a-world-in-turmoil