Teradyne, Inc. (TER) closed at $398.32 on September 26, 2026, gaining 2.75% in the most recent 24-hour trading period. The move added to an already solid stretch of performance for the semiconductor testing equipment maker.
Over the past seven days, Teradyne shares have risen 7.20%, while the 30-day gain stands at 9.70%. The sustained upward movement across multiple timeframes reflects consistent buying pressure in the stock.
Teradyne's market capitalization reached $60.61 billion as of the close, underscoring the company's substantial standing among equipment suppliers to the semiconductor industry.
The stock's three consecutive periods of gains — daily, weekly, and monthly — place Teradyne among the stronger performers in its sector during the current stretch of trading.
