Taken from CNBC’s Daily Open, our international markets newsletter — Subscribe today A 2025 refrain many of us likely have heard would be: "You're buying that? You're doing that? In this economy?" But this problem does not seem to extend to the world's most valuable company Nvidia, which is sitting on a problem most of us would like to have: having too much cash. At the end of October, Nvidia had $60.6 billion in cash and short-term investments. That's up from $13.3 billion in January 2023,