S&P 500 futures decline after tech sell-off drags down broad market index; South Korea's Kospi falls over 6%: Live updates — Live Feedhttps://www.live-feeds.com/feed/s-p-500-futures-decline-after-tech-sell-off-drags-down-broad-market-index-south-korea-s-kospi-falls-over-6-live-updatesContinuously updated, source-cited coverage. S&P 500 and Nasdaq Futures Decline Amid Global Tech Sell-Offhttps://www.live-feeds.com/feed/s-p-500-futures-decline-after-tech-sell-off-drags-down-broad-market-index-south-korea-s-kospi-falls-over-6-live-updateshttps://www.live-feeds.com/feed/s-p-500-futures-decline-after-tech-sell-off-drags-down-broad-market-index-south-korea-s-kospi-falls-over-6-live-updates#u14180Fri, 26 Jun 2026 10:17:17 +0000US stock futures are sliding as a sell-off in megacap tech and AI stocks impacts global markets. The decline follows significant losses in Asian markets, specifically in South Korea. Investors are also monitoring the outcome of US-Iran peace negotiations.What's confirmed:The S&P 500 and Nasdaq futures have declined following a sell-off in megacap technology stocks.South Korea's main index experienced a significant plunge.Investors are weighing the impact of US-Iran negotiations.Oil prices have dipped following weekend peace talks between the US and Iran.Still unconfirmed:S&P 500 f