Today's trade is in a mental health biotech company focused on developing psychedelic-assisted therapies — primarily a synthetic form of psilocybin called COMP360 — for difficult-to-treat psychiatric conditions.

I believe in this company's...

Hello again, Spirit Animals.

If there is anything more volatile than my PnL, it is often my mental state. It's not something I'm proud of. When I'm winning, I'm often ebullient. When I'm losing, I'm usually pretty sullen. This sucks for me and...

The old man may have moved on, but the game stays the same at Berkshire. 

And Berkshire at a discount when the rest of the stock market is at or near highs feels like a good buy-the-dip situation.