Stock Market Today: Dow gains but S&P 500, Nasdaq drop as trade tensions rise; oil prices fall after 'Operation Outcast' against Iran announced — Live Feedhttps://www.live-feeds.com/feed/stock-market-today-dow-gains-but-s-p-500-nasdaq-drop-as-trade-tensions-rise-oil-prices-fall-after-operation-outcast-agaiContinuously updated, source-cited coverage. Dow Gains as US-Canada Trade Tensions and Iran Military Action Impact Marketshttps://www.live-feeds.com/feed/stock-market-today-dow-gains-but-s-p-500-nasdaq-drop-as-trade-tensions-rise-oil-prices-fall-after-operation-outcast-agaihttps://www.live-feeds.com/feed/stock-market-today-dow-gains-but-s-p-500-nasdaq-drop-as-trade-tensions-rise-oil-prices-fall-after-operation-outcast-agai#u49076Wed, 26 Aug 2026 10:01:14 +0000The Dow Jones Industrial Average rose while the S&P 500 and Nasdaq declined amid escalating trade conflicts between the US and Canada. Market volatility is driven by new tariffs and the announcement of Operation Outcast against Iran, which triggered a decline in oil prices. Tech stocks faced pressure as Nvidia shares sold off ahead of its earnings report. While some futures showed strength following a speech by Bessent regarding Iran, overall sentiment remains cautious due to geopolitical instability and upcoming economic signals from Jackson Hole.Why it mattersThe US and Canada are curren