The Dow Jones Industrial Average closed at a fresh all-time high of 51,561.93 on Thursday — a gain of 874.86 points, or 1.73% — as investors executed one of the sharpest single-session rotations of 2026, moving aggressively out of semiconductor and AI chip names following Broadcom's after-hours earnings plunge and into defensive and value-oriented large caps that dominate the price-weighted Dow index.
UnitedHealth Group led the Dow higher with a gain of more than 5%, recovering from recent underperformance and benefiting from the risk-off rotation dynamic as healthcare stocks attracted capital fleeing the AI chip sector. JPMorgan Chase climbed approximately 3% and Walmart added nearly 1%, both contributing meaningfully to the Dow's advance. Outside the Dow, Costco gained roughly 1% and Eli Lilly surged more than 4%, both reflecting the defensive and healthcare rotation theme that defined Thursday's session. The Nasdaq Composite lost 0.09% to 26,830.96, dragged by chip names in sympathy with Broadcom's plunge, while the S&P 500 rose a modest 0.41% to 7,584.31 — a record close, but one driven almost entirely by the Dow's non-tech composition.
The session's divergence between the Dow and Nasdaq is the most important structural signal in Thursday's tape. It reflects a market that has absorbed nearly every positive AI infrastructure narrative available — record Nvidia earnings, TSM capacity sold out, SoftBank's OpenAI repricing — and is now beginning to question whether the premium multiples assigned to chip names can be sustained as forward guidance repeatedly falls short of buy-side whisper numbers. Broadcom's situation on Thursday was the clearest illustration yet: record AI revenue of $10.8 billion growing 143%, record free cash flow, and an 84% year-over-year Q3 revenue guide — all insufficient to prevent a 14% after-hours decline because one AI guidance line missed by $1.2 billion relative to the most aggressive buy-side model.
Bank of America equity strategists, who first flagged summer pullback risk two weeks ago, reiterated their cautionary stance Thursday, pointing to the fact that both Intel and Micron have each tripled year-to-date in 2026. "While we may be in the latest boom cycle for chip stocks today, it is important to remember that bust cycles have historically followed," BofA analyst Vivek Arya wrote, adding that the pattern of aggressive upward revisions in semiconductor earnings followed by guidance disappointments is a recurring feature of the cycle's late stages.
The market enters Friday's session with the S&P 500 near record levels at 7,584, the Dow at an all-time high, and Nasdaq futures lower as chip stocks continue digesting Broadcom's earnings. The May jobs report at 8:30 a.m. ET will set the intraday tone, with a strong print risking a hawkish Fed repricing that pressures both growth and value names simultaneously, while a soft number could revive cut expectations and provide a brief tailwind. The week closes with the S&P 500 having finished above 7,600 for the first time in history as recently as Tuesday — a milestone that illustrates both the scale of 2026's equity rally and the elevated starting point from which any summer pullback would begin.