Price movement over the last 24 hours
Aehr Test Systems vs Biogen Inc — how do they compare? Aehr Test Systems trades at $68.25 (market cap $2.11B), while Biogen Inc trades at $201.76 (market cap $30.37B). The key difference: Biogen Inc is far larger — about 14.4× Aehr Test Systems's market cap, and Biogen Inc is trading nearer its 52-week high, Aehr Test Systems nearer its low. Which is the better fit depends on your goals.
| AEHR | BIIB | |
|---|---|---|
Market Cap | $2.11B | $30.37B |
Sector | Technology | Health |
52-Week High | $116.58 | $216.63 |
52-Week Low | $13.29 | $122.68 |
Enterprise Value | $2.08B | $32.65B |
Signals from Pluang's Aura AI — not financial advice
AEHR trades at $72.33, up 3.38% today, with a bullish technical signal driven by oversold RSI readings near 24.5, though moving averages remain bearish. The company reported Q1 2026 EPS of -$0.05, beating expectations, but maintains negative profitability margins and cash flow. Recent news highlights strong order growth from AI and silicon photonics customers, including a follow-on system order announced June 17, 2026.
Outlook is mixed: robust order book and AI sector tailwinds support growth, but high P/S of 46.6 and persistent losses pose valuation risks. Analyst consensus is cautious with 33% buy ratings. Key risks include execution on orders and cash burn.
Biogen (BIIB) trades at $205.70, down 4.82% today, with a bullish technical signal and strong earnings beat history. The stock shows solid fundamentals with a P/E of 22.42, net income margin of 13.81%, and positive cash flow trends. Recent acquisitions like RayThera for up to $1 billion aim to expand its immunology pipeline, while Alzheimer's portfolio updates at AAIC 2026 provide near-term catalysts. Analyst consensus is bullish with a $224.82 price target, though legal investigations and legacy drug sales declines pose headwinds.
The outlook remains positive given earnings momentum and strategic pipeline investments, but investors face risks from ongoing legal probes and competitive pressures. The stock offers upside to consensus targets if new drug launches offset revenue declines, but volatility may persist amid sector rotation and regulatory scrutiny.
Trailing returns across standard periods
Aehr Test Systems provides testing and burn-in solutions for the semiconductor industry. Its systems ensure the reliability of AI processors, data center chips, and electric vehicle components at the wafer and package levels.
Read more on AEHR →Biogen and Idec merged in 2003, combining forces to market Biogen's multiple sclerosis drug Avonex and Idec's cancer drug Rituxan. Today, Rituxan and next-generation antibody Gazyva are marketed via a collaboration with Roche. Biogen also markets novel MS drugs Plegridy, Tysabri, Tecfidera, and Vumerity. In Japan, Biogen's MS portfolio is co-promoted by Eisai. Hemophilia therapies Eloctate and Alprolix (partnered with SOBI) were spun off as part of Bioverativ in 2017. Biogen has several drug candidates in phase 3 trials in neurology and neurodegenerative diseases and has launched Spinraza with partner Ionis. Aduhelm was approved as the firm's first Alzheimer's disease therapy in June 2021.
Read more on BIIB →