US stocks are set to open lower after Israel's apparent retaliatory strike against Iran, with S&P 500 futures down 0.6%, Nasdaq 100 futures sinking 0.85%, and Dow Jones Industrial Average futures down 0.5%. Markets are on edge over fears of a widening conflict in the Middle East, impacting oil prices and global economy. Meanwhile, Netflix shares fell 4% despite positive quarterly results, and TSMC saw a 6% decline after revising revenue growth outlook. European and Asian markets also opened lower, with tensions in the Middle East influencing sentiment.
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