Futures Slide, Oil Surges As Iran War Returns, Chip Stocks Tumble As Korea, SK Hynix Crash

US equity futures are lower on a combination of US/Iran escalation (which is feeding inflationary concerns) and a violent crash in South Korean stocks (which saw SK Hynix plunge by 15% overnight, the most on record, and unironically follows its record ADR launch in the US), which has put Semis and tech under renewed pressure. On the former, this drove oil prices higher overnight, but gains have been cut in half. On the latter, there is some anxiety around excessive capex spend (Goldman IG bond sales team warned over the weekend that demand for new hyperscaler supply has collapsed), but…