Buffett is continuously buying, Berkshire's equity positions are in the public record. You can google "Berkshire 13F" to see public US holdings.

Credit Suisse was troubled for a long time, their controversy section on Wikipedia is pretty crazy ( https://en.wikipedia.org/wiki/Credit_Suisse#Controversies )

Global oil prices have been steadily declining for months, electricity is much cheaper again in Europe and many supply chain bottlenecks have been resolved. This will put a strong break on inflation going forward