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The US stock market opened lower on February 17, 2026. It was the first session after Presidents’ Day, with the S&P 500 trading at around 6,840 at press time. The index is down about 0.65% (about 44 points) from its high on Friday, but is on 0.58% from the opening of the day. This indicates the intervention of buyers in the sectors.
Ongoing concerns that the SaaSpocalypse will disrupt traditional software and technology models continue to weigh on the market. This makes IT the weakest sector, down 1.5% on the day. Synopsys ( SNPS ) topped the list of laggards with a 1.6% decline amid broader concern over artificial intelligence.
The most important news of the US stock market: :
• Empire State Manufacturing Index: : The New York Fed survey showed moderate regional expansion in February at +7.1. It is slightly lower than +7.7 in January but higher than expectations. This leading indicator of US factory activity offered some reassurance against fears of a slowdown.
• Canadian CPI declines: decreased General inflation in January At 2.3% year-on-year (from 2.4%), driven by lower gasoline prices. The weaker picture reinforces the narrative of lower inflation and may see similar trends in US data, supporting the Fed’s hopes of cutting interest rates.
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• Resumption of indirect talks between the United States and Iran: I concentrated Discussions today in Geneva On nuclear issues and de-escalation. Progress could help stabilize oil markets and reduce volatility in the energy and global trade sectors.
S&P 500 tests key level as AI disruption fears grow on Wall Street
Wall Street remains cautious On February 17, 2026, the US stock market traded mixed, but generally lower amid ongoing SaaSpocalypse concerns. The S&P 500 opened weaker, briefly falling below its 100-day EMA before recovering.
The index settled around 6,834-6,841 at mid-session, down 0.65% on the day from its February 13 high.
The trend suggests that the market may recover slightly, but the key to the broader recovery lies above the highs recorded on February 13 (Friday).
This reflects a scenario of the end of November 2025. The index lost the 100-day pure NPA on November 28, but quickly recovered in the following session, sparking a strong rally. The S&P 500 rose about 7.38% from the end of November to the end of January.
Since then, the 100-day EMA has been a strong support since then. The main support now is around this area, at around 6,819. A lower squeeze may invite wider weakness towards 6.762 and 6.705. A decisive push above 6,889 (above Friday’s high) can target the psychological level 7,000.
However, fears of stagflation-like (massive inflation, slowing growth) and concerns of AI disruption limit bullish conviction.
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The Nasdaq Composite is trading more in the damage, highlighting the technical accumulation. The S&P 500’s 33% weighting in ICT increases the impact on the broader index.
The VIX, an index of volatility, fell 1.08% to 20.97 (from higher levels at the start of the session), indicating lower volatility as the day progressed, although it remains elevated compared to recent lows and reflects caution.
The 10-year US Treasury yield is 4.05% (moderately lower today, near 2.5-month lows).
It reflects safe travel flows and weak inflation expectations; Support for bonds, but putting pressure on growth stocks and digital currencies amid late bets on interest rate cuts.
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Sector rotation in focus: Defenses shine as technology slows
The mixed change for the United States stock market on February 17, 2026 reveals a clear sectoral volatility. Technology (XLK) is the most notable laggard, down about 1.24% from its high on February 13 (currently trading -0.37% on the day).
XLK is a select technology sector SPDR fund managed by State Street Global Advisors, one of the leading sector ETFs that divides the S&P 500 into 11 GICS sectors for targeted exposure.
The name traces the big names of technology (Nvidia, Microsoft, Apple) and software/semiconductor companies. This makes XLK sensitive to feelings of growth and developments related to artificial intelligence.
The XLK chart shows a developing head and shoulder pattern, which is a bearish structure. Neck holds close to 133; A decisive breakout to the bottom may confirm the pattern and trigger a 10% downward move (measured from head to neck), which could push towards 129 or even 120 in a deeper correction if broader market conditions or AI concerns worsen.
The utilities sector (XLU) continues to show relative strength after rising 2.5% on Friday. Although the index fell 0.40% today in line with broader weakness, the sector remains the strongest of the week.
This flow, from growth / technology to defensive and value, explains why the S & P 500 can exchange little to low despite the green bags: A weight of 33% of the XLK overweight technology index, overshadowing the gains elsewhere.
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The negative setting is invalidated when 141-144 is restored; Moving above 150 will remove the threat completely.
Synopsys ( SNPS ) fell 4.4% as AI anxiety weighed on software stocks
Synopsys (SNPS) is one of the most prominent Stock company of the United States. It is trading at around 419 which is down 4.43% on the day, at the time of writing.
As a leading supplier of semiconductor EDA and IPR software, SNPS is closely related to the software infrastructure sector. This makes it vulnerable to lingering concerns that AI may reshape slide design workflows.
In the Select Technology Sector SPDR Fund (XLK), SNPS carries a modest weighting of 0.72%. This limits its direct impact on ETFs, but is a strong indicator of software weakness (eg ORCL -3.85%, CRWD -5.12%, FTNT -4.11%).
The daily chart shows SNPS trading in a bear flag pattern after a 24% correction that started on January 12, 2026, with the February 4/consolidation keeping the price confined within the flag. Today he tried to find out, but so far the buyers have defended him.
A confirmed break below 416 may trigger the pattern, anticipating a downside towards 322 (more than 20% from current levels). Intermediate support levels are located at 402 and 371.
The negative setup invalidates recovery 451. This reinforces the shift from software/growth names to defensive names, which increases the relative pressure on the Nasdaq.
