
MKS rose 33.2% from $158.90 to $211.59, ahead of the S&P 500's +10.5%. Its worst day was Jul 2 (−11.1%), and its low came Nov 20 at $138.49.
Story events cover the past 12 months · Times ET
Nov 10, 2025 – Nov 9, 2026 · picked from earnings, analyst actions, headlines and the biggest daily moves
MKS closed at its lowest level of the year, 12.8% below where the year started.
−3.7% · S&P 500 −1.5%
EPS of $2.47 missed the $2.48 estimate on $1.0B revenue (est. $1.0B); Q1 revenue guidance of $1.0B–$1.1B against the $1.0B consensus.
−4.8% · S&P 500 +0.5%
EPS of $2.30 beat the $2.04 estimate on $1.1B revenue (est. $1.0B); Q2 revenue guidance of $1.2B–$1.2B against the $1.1B consensus.
+2.4% · S&P 500 −0.3%
MKS closed at its highest level of the year, 179.9% above where the year started.
+6.9% · S&P 500 +0.8%
EPS of $3.30 beat the $2.95 estimate on $1.2B revenue (est. $1.2B); Q3 revenue guidance of $1.3B–$1.4B against the $1.2B consensus.
−7.0% · S&P 500 −0.2%
MKS (NASDAQ:MKSI) has outperformed the market over the past 15 years by 4.43% on an annualized basis producing an average annual return of 17.55%.
−10.5% · S&P 500 −0.4%
EPS of $4.18 beat the $3.65 estimate on $1.4B revenue (est. $1.4B); Q4 revenue guidance of $1.5B–$1.5B against the $1.4B consensus.
−9.3% · S&P 500 −4.4%
Where it ended: a close of $211.59 on Nov 9, 2026. Up next: Q4 2026 earnings on Feb 16, 2027 (EPS est. $4.83, revenue est. $1.5B).