Famed investor Warren Buffett once said, "Be fearful when others are greedy and be greedy when others are fearful." I think that's a perfect line to keep in mind as the market continues to sell off some of the big tech companies,

US stocks lose their footing at the open as tariff and AI worries take hold again. Marvell Technology sees a slowdown in data center business.

Two high-flying artificial intelligence (AI) stocks that have been front of mind for investors recently are IonQ (NYSE: IONQ) and Nvidia (NASDAQ: NVDA). Semiconductor company Nvidia has soared 53% over the past year as companies have clamored for its processors amid rising AI demand.

Microsoft remains one of the best stocks investors can buy to gain exposure to the high-level themes in the AI revolution. Recognizing some room for near-term volatility as a reality of the stock market, I believe investors adding Microsoft shares to a diversified portfolio today stand to be rewarded over the long run.