Applied Materials stock heads into the open after a 6.5% jump

Applied Materials stock closed at USD 444.57 on the Nasdaq on September 18, 2026, gaining 6.5 percent from the prior session on an unusually strong trading day. The move came with elevated volume and left the shares well above their recent levels within the current 52-week range, against a backdrop of firm semiconductor indices.

September 18, 2026 in numbers

Applied Materials Inc. (ISIN US0382221051, Nasdaq: AMAT) registered the USD 444.57 close on the Nasdaq on September 18, 2026, after a session that saw the stock trade significantly higher into the finish. Data cited by an analysis at AIStockWire show that the shares rose 6.5 percent on September 18, 2026, closing at USD 444.57, with reported volume of about 14.3 million shares, more than twice the 30-day average of 6.5 million shares. That gain outpaced the broader technology benchmarks: the Nasdaq Composite added 0.39 percent to finish at 26,522.55 points, while the Philadelphia Semiconductor Index climbed 2.78 percent to 11,921.69 points, according to figures summarized by LINE TODAY. The combination of a mid-single-digit price increase, a strong close relative to the intraday range, and volume more than double the recent average underlines a session in which demand for the shares clearly exceeded typical trading interest. Within its current 52-week band, the September 18, 2026 close positioned the stock closer to the upper end, reflecting renewed optimism around chip-equipment exposure to artificial-intelligence and advanced-node investments.

Today's drivers to watch

Into today's session on September 21, 2026, Applied Materials trades against a macro backdrop marked by ongoing strength in AI-related chip names and a recent rebound in semiconductor indices, which can influence demand for equipment suppliers. As Mitrade notes in a broader market commentary, AI chip stocks have continued to gain, helping support sector sentiment. In addition, the recent quarterly derivatives expiration and index rebalancing on September 18, 2026, highlighted by coverage such as LINE TODAY, keeps investors attuned to any follow-through flows that could affect high-volume names including semiconductor equipment makers today. No company-specific earnings release for Applied Materials is scheduled for September 21, 2026 in the available week-ahead calendars, so traders are likely to focus on sector moves, macro data and interest-rate expectations when assessing the stock's path through today's US session.