Teradyne stock heads into the open after a 2.6 percent gain
Published on 09/14/2026 at 07:06 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
Teradyne stock closed at USD 379.72 on the Nasdaq on September 11, 2026, gaining 2.57 percent from the prior session. The move came as the shares traded in a range around the upper 370s, with closing data from Nasdaq reflected on portals such as Yahoo Finance and MarketBeat.
September 11, 2026 in numbers
Teradyne Inc. (ISIN US8807701029, Nasdaq: TER) finished the last completed session on September 11, 2026 at USD 379.72 on the Nasdaq, up 9.53 USD or 2.57 percent compared with the previous close, according to Nasdaq data reproduced by Yahoo Finance and MarketBeat. The quote pages show that the stock settled at 4:00 p.m. Eastern Time, with after hours trading later that day at slightly lower levels but without changing the official close.Yahoo Finance lists the September 11, 2026 close at USD 379.72, matching the figure used by MarketBeat, which also highlights the 2.57 percent daily gain.
In that session, the shares traded between roughly USD 371 and USD 380, keeping the close near the top of the day’s range and reinforcing the upward bias within the semiconductors group. The same MarketBeat overview notes the Nasdaq listing and places the closing price within a broader context of recent interest in chip and testing equipment names, even though it does not cite a single company-specific catalyst for Teradyne on September 11, 2026.Intellectia recently pointed out that semiconductor companies including Teradyne have seen volatile moves around macro data and rate expectations earlier in the month, which provides context for the latest advance but does not assign a specific fundamental driver to the September 11, 2026 session.
Outlook for today
For today, September 14, 2026, Teradyne heads into the US open without a newly scheduled company event in the immediate term in the public calendars consulted, while the broader semiconductor and technology complex remains sensitive to macroeconomic headlines and peer news. Recent commentary on institutional activity, such as stake adjustments by investment managers discussed by MarketBeat, indicates ongoing portfolio repositioning in semiconductor names, which may continue to shape trading interest today even in the absence of a dated company-specific announcement. With the last completed close sitting near the upper end of the recent trading band and the sector’s linkage to expectations for artificial intelligence infrastructure and test equipment demand, market participants are likely to weigh incoming macro and industry signals as Teradyne stock approaches the opening bell.
