We're just days away from ringing in the new year, and the holiday break can be a good time for investors to review their portfolios and examine potential opportunities for 2025. Artificial intelligence (AI) was a dominant theme in the stock market during 2024, and tech giants are poised to spend a record amount of money developing the technology over the next 12 months.That will benefit suppliers of data center chips and hardware components, and Nvidia (NVDA 0.39%) is likely to remain one of the biggest po ...