PDF Solutions, Inc. fell 13.2% on Thursday, November 5, 2026, on 1,170,500 shares. Headlines around the move:
PDF Solutions, Inc. (PDFS:NASDAQ) closed at $40.63 on November 9, 2026, up 8.03% on the day. The stock trades 43.3% below its 52-week high of $71.69 and 72.5% above its 52-week low of $23.55. Over the past year, it gained 49.9%. PDF Solutions, Inc. is part of the Technology sector (Computer Software: Prepackaged Software).
In 252 trading sessions since November 7, 2025, PDFS closed higher on 131 days (52%). Its best day was July 30, 2026 (+12.10%) and its worst was November 5, 2026 (-13.24%). The stock moved 10% or more in a single session 11 times. It opened at least 5% above the previous day's high 2 times.
PDF Solutions, Inc. provides infrastructure technologies and services to enhance yield and optimize performance of integrated circuits (IC) in the United States, Germany, Taiwan, China, South Korea, and internationally. It offers manufacturing process solutions; volume manufacturing solutions; design-for-inspection (DFI) solutions; and design-for-manufacturability (DFM) solutions. The company also provides Characterization Vehicle (CV) infrastructure, which includes CV test chips, pdCV analysis software, and pdFasTest electrical testers; DFI infrastructure that comprises DFI on-chip instruments, eProbe contactless E-beam tool, and Exensio char DFI software; FIRE software, which analyzes an IC design to compute its systematic and random yield loss; and Template technology that includes Templatyzer software and IP for identifying and developing a set of layout patterns. In addition, it offers Exensio enterprise-wide platform, which consists of Exensio-Yield that collects, loads, and stores yield data in an analysis-ready database, which enables product engineers to identify and analyze production yield, performance, reliability, and other issues; Exensio-Control, which provides fault...
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