Defiance Quantum ETF returned 60.4% over the last year through Jan. 3 -- just over double the S&P 500 Index's 28.1% return.

One of the biggest themes that helped drive the market last year was artificial intelligence (AI). The technology, which in the past was relegated to science fiction, has suddenly become mainstream.

AI chips sales drove Nvidia stock higher in 2024. Now Nvidia could be building out data centers to support a cloud-based AI ...

Major stock indexes are poised to open higher on Monday, adding to the previous session's solid gains, as shares of chipmakers surge.