Nasdaq posts its largest one-day drop since June 5 as AI spending fears hit tech

The Nasdaq 100 recorded its largest single-session decline since June 5, with the sell-off concentrated in technology stocks after investor concerns over the pace and payback of artificial intelligence capital spending weighed on sentiment. The move reflects a risk-appetite channel rather than a macro shock: heavily weighted mega-cap names that have driven index earnings expectations are being repriced as traders question whether current hyperscaler capex translates into near-term revenue. NDX, with its high concentration in semiconductors and cloud-software leaders, carries the greatest exposure, and the drawdown transmits to adjacent AI-linked supply chain names and to growth-sensitive equities more broadly. Traders should watch the next round of quarterly capital expenditure guidance from large cloud providers and any revisions to AI-related revenue forecasts, which will indicate whether the spending narrative is being reaffirmed or reassessed.

The Nasdaq-100 (NDX) is the US large-cap tech benchmark. NDX is more sensitive to rate decisions than SPX because of longer-duration cash flows, and heavily concentrated in Tech/Comms names — mega-cap earnings season dominates price action.

HIGH-impact news is typically a market-moving event with multi-pip or multi-percent intraday reactions. Examples include central bank rate decisions, major CPI/NFP releases, geopolitical shocks, mega-cap earnings beats/misses, and regulatory announcements. Traders typically position-reduce or hedge ahead of scheduled HIGH-impact events, and follow the wire in real time to react to unscheduled ones (war headlines, central-bank emergency statements, surprise corporate actions). The Trading News Terminal squawk box reads every HIGH-impact headline aloud the moment it hits the wire — so active traders don't have to stare at the feed.

Active traders typically follow a three-step workflow when a market-moving headline hits the wire: (1) read the headline on the terminal or hear it on the squawk box; (2) assess whether the news is already priced in (by checking intraday price action in the seconds before) or whether it's genuinely new information; (3) act — either entering a breakout position, fading an overreaction, or tightening stops on existing trades. Trading News Terminal's Pro plan delivers wire-grade headlines within seconds of the source, with automatic audio squawk on every HIGH-impact event, so the read-assess-act cycle never waits on a refresh button.