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Triple Witching keeps stocks Mixed, Weekend Riyadh Strikes see Oil up
Triple Witching Keeps Stocks Mixed; Weekend Riyadh Strikes See Oil Up
Monday 21st September 2026
$7 trillion in options expired on Friday's triple-witching session — one of the largest on record — keeping US indices range-bound. S&P 500 +0.17%, Nasdaq +0.40%, Dow -0.18%. Semiconductors were the sole sector winner. The US 10-year yield climbed back to 5.00%.
Over the weekend, Houthi strikes hit Riyadh with flames near King Khalid Airport fuel storage. Iran declared Hormuz stays closed until its terms are met — oil opened higher on Monday. Fed's Kashkari said inflation is "still too high in all…
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