Santa Rosa, California-based Keysight Technologies, Inc. (KEYS) provides electronic design and test solutions to commercial communications, networking, aerospace, defense and government, automotive, energy, semiconductor, electronic, and education industries. Valued at $54.7 billion by market cap, the company offers electronic measurement services using wireless, modular, and software solutions.
Shares of this communications testing giant have notably outperformed the broader market over the past year. KEYS has gained 94.7% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 18.7%. In 2026, KEYS stock is up 57.5%, surpassing the SPX’s 12.2% gains on a YTD basis.