Stock Market on Aug. 18, 2026: Dow, S&P 500 and Nasdaq close lower, with tech under pressure as semi stocks sell off; Home Depot reports earnings — Live Feedhttps://www.live-feeds.com/feed/stock-market-on-aug-18-2026-dow-s-p-500-and-nasdaq-close-lower-with-tech-under-pressure-as-semi-stocks-sell-off-home-depContinuously updated, source-cited coverage. Dow, S&P 500 and Nasdaq close lower as tech stocks sell offhttps://www.live-feeds.com/feed/stock-market-on-aug-18-2026-dow-s-p-500-and-nasdaq-close-lower-with-tech-under-pressure-as-semi-stocks-sell-off-home-dephttps://www.live-feeds.com/feed/stock-market-on-aug-18-2026-dow-s-p-500-and-nasdaq-close-lower-with-tech-under-pressure-as-semi-stocks-sell-off-home-dep#u45215Wed, 19 Aug 2026 14:42:28 +0000US stocks fell on Tuesday, with the Dow, S&P 500, and Nasdaq all closing lower. Tech stocks were under pressure due to a sell-off in semiconductor shares. Home Depot reported earnings, contributing to the market's volatility. Higher oil prices and rising Treasury yields also weighed on investor sentiment.Why it mattersThe stock market's decline is attributed to various factors, including rising oil prices and Treasury yields, driven by Middle East concerns. A global bond sell-off has also been putting pressure on stocks. The market's performance is closely watched as investo