Why is Sanmina stock surging today?
Sanmina Corporation (SANM) surged 20.4% in after-hours trading after reporting fiscal Q4 results that exceeded expectations. Adjusted EPS was $4.43 (vs. $3.27 estimate) and revenue was $3.86B (vs. $3.48B estimate). Full-year 2026 revenue rose 79% YoY to $14.53B. Management guided Q1 2027 EPS to $3.50-$3.85 (midpoint 25% above consensus) and revenue to $3.80B-$4.10B (midpoint 11% above expectations).
How this was made
The 30-second read
Why it matters
The earnings beat and guidance are likely to trigger buying pressure, especially in after‑hours and pre‑market sessions.
Market read
The surprise earnings and guidance lift Sanmina sharply, creating a short‑term trading opportunity.
What to watch
Integration risks of ZT Systems and the impact of share repurchases on cash balance.
Background
Sanmina is a leading electronics manufacturing services provider; its Q4 results were released after the market close.
Ticker impact
Sanmina reported Q4 earnings that beat estimates by 35% and gave guidance well above consensus, driving a 20.4% after‑hours surge.
upward pressure as the market prices in the earnings beat and aggressive guidance
Earnings surprise of $1.16 per share and guidance 25% above consensus are material and new, prompting immediate buying.
Market effects
Positive for the EMS sector, may lift peers as demand for cloud and AI infrastructure manufacturing appears strong.
U.S. tech and industrials could see modest upside from the earnings surprise.
Limited to investors focused on U.S. contract manufacturers; no broad macro effect.
Counterpoint
Some investors may question sustainability of guidance and potential margin pressure from rapid growth.
Key entities
- ExecutiveJure Sola
Chairman and CEO who highlighted the transformative year and integration of ZT Systems.

