S&P 500-0.05%▼: Finished marginally lower after a week of modest net losses amid heavy issuance in equity and AI-linked debt. Nasdaq-0.24%▼: Ended the week weaker as selective strength in semiconductor suppliers was offset by softness across large-cap growth names. Russell 2000+0.07%▲: Closed slightly higher, supported by outsized moves among microcap gainers and strength in Consumer Cyclical names. Dow-0.09%▼: Recorded a narrow decline while Healthcare and Industrials outperformed relative to broad weakness in growth sectors. VIX-2.54%▼: Closed at 18.41. Crypto: BTC+0.44%▲ near $60,193 and ETH-2.01%▼ near $1,573. What's driving the market this week Weekend reports that Ukraine struck two Russian oil refineries in Krasnodar and Yaroslavl added fresh geopolitical headlines tied to energy infrastructure. Coverage quantifying large equity and AI-related debt issuance year-to-date and projecting continued heavy issuance in 2026 highlighted capital-supply dynamics and coincided with a down week for the tech-heavy index. Corporate results and market reports show memory and other semiconductor suppliers capturing outsized profits from accelerating AI demand and rising memory prices, supporting parts of the Technology complex even as some growth names eased.