Erste Group analyst Hans Engel has upgraded Micron Technology to Buy after the memory-chip maker issued a surprisingly upbeat fourth-quarter outlook. Engel says the stronger guidance signals “a significantly better development than previously expected,” adding fresh momentum to a stock already riding Wall Street’s AI wave.

Nvidia emerges as the premier AI stock to consider this year, thanks to a significant growth catalyst that’s hiding in plain sight. Investors may be overlooking this key reason that sets Nvidia apart in the competitive AI market.