
Analyst upgrades and Fed policy shape record-high markets

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US markets hit record highs in May, driven by strong earnings, AI enthusiasm, and easing geopolitical risks. Analysts upgraded AMD and Apple for AI potential but downgraded Marvell and American Eagle due to valuation concerns. Meanwhile, Fed Chair Kevin Warsh navigates a rate environment reminiscent of 2001, with tech-heavy valuations increasing market sensitivity to policy shifts.

