How Nvidia, Micron and a surprising jobs report drove last week's stock action
Stocks rose Friday after a softer-than-expected jobs report, with the Nasdaq up 0.45% for the week, led by AI-related stocks. Micron reported strong earnings and guidance, while Nvidia authorized a $150B buyback. The Dow and S&P 500 fell 1.26% and 0.3% respectively.
How this was made

The 30-second read
Why it matters
The jobs data lowered rate‑cut expectations, supporting equities, while company‑specific news drove individual stock moves.
Market read
Highlights how macro data and corporate actions together shaped market direction for the week.
What to watch
Potential regulatory scrutiny on AI chips and upcoming CHIPS Act funding restrictions could temper NVDA upside.
Background
Weekly market wrap covering the September jobs report, oil price pullback, and earnings from Nvidia and Micron.
Ticker impact
Nvidia announced an additional $150 billion share repurchase, raising its total buyback authorization to $235 billion.
likely upward pressure as investors price in the expanded buyback
Buyback announcements historically boost NVDA shares, especially given its AI momentum.
Micron reported a 379% YoY revenue surge and raised FY2027 revenue guidance to $61.5 billion, but shares fell 0.7% amid supply‑capacity concerns.
potential modest downside as market weighs supply‑demand balance
Strong earnings are tempered by investor concerns over future pricing pressure.
Market effects
AI chip demand supports semiconductor sector, while memory supply expansion pressures peers.
U.S. markets gain from AI hype; broader market muted by mixed earnings.
Buyback news may influence global tech indices, while Micron guidance affects worldwide memory pricing.
Counterpoint
Investors could short NVDA if the buyback is already priced in and AI demand stalls.
Key entities
- CompanyNvidia
AI chipmaker expanding its buyback program.
- CompanyMicron Technology
Memory manufacturer raising FY2027 guidance.




