There is one big caveat to that. Most of the time sitting on cash is inefficient, the exception being ahead of and during a big crash.
Are we about to have a huge crash? The Nasdaq is up over 120% since 2022. That's massive growth.
View attachment 170287
The above chart shows the sciller PE index. Stock values shown relative to inflation adjusted earnings. I.E. is the market over valued in relation to the underlying profits? The 3 times it's gone close to or over 100% of the mean are 1929, 2000 and 2024/5.