Woofun AI data shows that US equity markets closed higher on Tuesday, with the Dow Jones Industrial Average gaining 0.02%, the S&P 500 rising 0.38%, and the Nasdaq Composite advancing 0.9%.

In sector-specific movements, SK Hynix ADR surged 27.2%, while SanDisk and Micron Technology both increased by approximately 5%. The optical communication sector also saw significant gains, with POET rising over 10% and Lumentum Holdings up more than 6%.