At midday in New York on the 18th, U.S. equities were mixed as the Dow Jones Industrial Average fell 188.26 points to 53,544.15 and the S&P 500 slipped 12.75 points to 7,773.01, while the Nasdaq Composite added 26.55 points to 26,755.71. The Philadelphia Semiconductor Index (SOX) outperformed, rising 332.10 points, or 2.67%, to 12,749.15 after extending a 1.57% gain seen in the 10 a.m. hour, signaling continued buying in chip-related shares. Market breadth remained weak beneath the surface, with decliners outnumbering advancers 21 to 9 in the Dow and 1,780 to 1,251 on the Nasdaq despite the index's rise. In other markets, the dollar-yen pair traded at 159.37 yen, the dollar index slipped 0.17% to 99.50, U.S. 10-year and 30-year Treasury yields rose to 4.71% and 5.29%, crude oil futures gained 0.38% to $82.71 a barrel, and gold futures climbed 1.03% to $4,483 an ounce near the intraday high of $4,485.50. The pattern pointed to selective positioning, with semiconductor stocks attracting inflows even as the Dow stayed soft and gold's advance indicating firm demand for safe-haven assets.