Investors are digesting a mixed week for AI stocks after OpenAI's annualized revenue came in near $50 billion, well below the $70 billion figure that had been reported just weeks earlier. The Nasdaq dropped 1.25% and the S&P 500 fell 0.47% as hardware shares sold off. Micron declined 4.79% and the Philadelphia Semiconductor Index tumbled 3.39%. The revenue shortfall raised questions about how quickly AI spending is translating into actual income.
Not everyone is downbeat on AI-related names. Stanley Druckenmiller's Duquesne Family Office backs TSMC as a top AI stock pick. The chipmaker posted 36% revenue growth in the second quarter and guided for roughly 37% growth in the third. Its profit margin jumped from 42.65% to 55.62% over the past year, and analysts expect earnings per share to rise 59% in 2026. Lam Research also stands out, up about 73% so far this year, with analysts forecasting earnings growth of roughly 63% in fiscal 2027.
Infrastructure players are drawing attention too. Arista Networks earned a spot as a preferred holding from Andrew Hill Investment Advisors, which highlighted the company's networking equipment as essential for AI systems that move data between chips and data centers. Rumble, now RUM Group, is pivoting toward AI infrastructure with a 250 MW power arrangement and a US$13.7 billion contract with Anthropic. Semtech's data-center sales rose 39% sequentially and 91% year over year in Q2, while TCS reported AI revenue running at a $3.1 billion annual pace.
On the security front, ransomware attacks are now being carried out by autonomous AI agents. In one documented case, an AI agent breached an unpatched server, resolved login issues in 31 seconds, encrypted records, wiped databases, and posted a ransom note. Criminal groups and state-sponsored actors are increasingly using AI for espionage and targeting critical infrastructure. Bloo, meanwhile, brought on Michael H. Lashlee, Chief Security Officer at Mastercard, to advise on enterprise security strategy and global expansion.
Looking ahead, Lynx Equity Strategies analyst KC Rajkumar expects the AI semiconductor rally to continue into year-end, pointing to Nvidia, Micron Technology, and Sandisk as likely leaders. He also noted growing AI agent adoption by Meta, OpenAI, and Anthropic as evidence that demand is broadening. The rally began after the Federal Reserve's September 15 meeting and has persisted despite higher bond yields. Semtech and D-Wave Quantum are also positioned for strong Q3 growth, with D-Wave benefiting from government quantum funding including a DOE program worth up to $215 million.
Key Takeaways
- OpenAI's annualized revenue of $50 billion fell short of the $70 billion previously reported, dragging the Nasdaq down 1.25% and the Philadelphia Semiconductor Index 3.39%.
- Stanley Druckenmiller backs TSMC as a top AI pick; the company grew revenue 36% in Q2 and saw profit margins rise from 42.65% to 55.62%.
- Lam Research is up about 73% this year, with analysts expecting earnings growth of roughly 63% in fiscal 2027.
- Arista Networks is a preferred holding for AI infrastructure, offering strong profitability and a debt-free balance sheet.
- RUM Group secured a US$13.7 billion contract with Anthropic and arranged 250 MW of power, signaling a shift toward AI infrastructure.
- Autonomous AI agents are now carrying out full ransomware attacks, breaching servers and issuing ransom notes without human intervention.
- TCS reported AI revenue running at a $3.1 billion annual pace, up from $2.6 billion the prior quarter.
- Semtech's data-center sales rose 91% year over year in Q2, while D-Wave Quantum benefits from a DOE quantum funding program of up to $215 million.
- Lynx expects Nvidia, Micron, and Sandisk to lead an AI semiconductor rally into year-end, driven by growing AI agent adoption at Meta, OpenAI, and Anthropic.
- Bloo appointed Mastercard's Chief Security Officer Michael H. Lashlee to its Advisory Board to strengthen enterprise security strategy.
Stanley Druckenmiller backs TSMC as top AI stock pick
Billionaire Stanley Druckenmiller's Duquesne Family Office owns TSMC, which ranks as a top AI stock pick. Revenue grew 36% in the second quarter and management guides about 37% growth in the third quarter. The company's profit margin rose from 42.65% to 55.62% over the past year. TSMC trades at a forward P/E of 27.9, and analysts expect earnings per share to rise 59% in 2026 and 29% in 2027.
Lam Research emerges as strong AI chip equipment pick
Lam Research makes machines that chipmakers use to build chips and is up about 73% so far this year. The company ranks 7th on a list of the best return on equity stocks to buy now. It also ranks fifth on billionaire Stanley Druckenmiller's list of the 10 best AI stocks. Lam trades at a forward P/E of about 37, and analysts expect earnings growth of about 63% in fiscal 2027 and about 24% in fiscal 2028.
Nasdaq drops over 1% as OpenAI revenue report disappoints
U.S. stocks closed mixed as tech and AI hardware shares fell after OpenAI's annualized revenue came in near $50 billion, lower than the $70 billion previously reported. The Nasdaq fell 1.25% while the S&P 500 dropped 0.47%. Micron fell 4.79% and the Philadelphia Semiconductor Index fell 3.39%. Samsung reported record third-quarter operating profit of 107.4 trillion won, about $80.2 billion.
OpenAI revenue shortfall drags AI stocks lower
Stocks mostly fell after OpenAI said its annualized revenue was close to $50 billion at the end of September, lower than the $68 billion reported late last month. The S&P 500 fell 0.47% and the Nasdaq dropped 1.25%. Federal Reserve Governor Christopher Waller called for more interest rate hikes to tame inflation. Oil prices also rose over reports that the Trump administration may consider strikes against Iran.
Ransomware attacks now run on autonomous AI agents
Autonomous AI agents are carrying out full ransomware attacks on their own, marking a turning point for cybersecurity. In one case, an AI agent breached an unpatched server, fixed login issues in 31 seconds, encrypted records, wiped databases and issued a ransom note. Criminal groups and state-sponsored actors have used AI for espionage and targeting critical infrastructure. Defenders are now using defensive AI tools to identify vulnerabilities and generate patches.
Michael Lashlee joins Bloo advisory board for AI security
Bloo announced that Michael H. Lashlee, Chief Security Officer at Mastercard, joined its Advisory Board. He will advise on enterprise security strategy and global expansion. Lashlee previously spent 25 years with the U.S. Secret Service. His expertise covers cyber investigations, physical security and crisis response.
Rumble expands AI infrastructure with Anthropic deal
RUM Group is expanding its AI infrastructure with a 250 MW power arrangement. The company also secured a US$13.7 billion contract with Anthropic. These moves signal a shift from a video platform to an AI infrastructure provider. Lake Street initiated coverage highlighting these developments.
AI tool helps Massachusetts businesses find contracts
A new AI tool called BECMA Compass matches Massachusetts businesses with contract opportunities. Chris Hope and Mackenson Charles from BECMA unveiled the tool at the Mass Black Expo. The tool uses AI to connect local businesses with available contracts.
Semtech and D-Wave Quantum poised for Q3 growth
Semtech and D-Wave Quantum are positioned for strong Q3 earnings growth. Semtech's data-center sales rose 39% sequentially and 91% year over year in Q2. D-Wave benefits from government quantum funding including a DOE program with up to $215 million. AI infrastructure spending and quantum interest are driving investor attention.
TCS reports AI revenue growth of $3.1 billion
Tata Consultancy Services reported AI revenue running at a $3.1 billion annual pace. This is up from $2.6 billion in the prior quarter. Overall revenue grew 11.2% year-on-year, aided by banking clients. However, constant-currency growth slowed to 0.5%, the weakest in three years.
Arista Networks a Top Pick for AI Infrastructure Growth
Andrew Hill Investment Advisors named Arista Networks (NYSE:ANET) a preferred holding in its Q3 2026 investor letter. The firm highlighted Arista's networking equipment as essential for AI systems moving data between chips and data centers. The company benefits from growing capital spending by cloud providers and hyperscale customers. Arista also offers strong profitability, a debt-free balance sheet, and substantial free cash flow generation. The fund noted that AI stocks returned 13.0% in Q3 versus an 8.3% decline for traditional-economy stocks.
Lynx Expects AI Semiconductor Rally to Continue Into Year-End
Lynx Equity Strategies analyst KC Rajkumar expects AI semiconductor stocks to keep rising into year-end. He identifies Nvidia, Micron Technology, and Sandisk as likely leaders of the move. The rally began after the Federal Reserve's Sept. 15 meeting and has persisted despite higher bond yields. Micron rose about 4% in mid-October after breaking out of its trading range in early September. TSMC reported Q3 revenue growth of 51% year over year, potentially pushing its full-year growth above guidance. Rajkumar also pointed to growing AI agent adoption by Meta, OpenAI, and Anthropic as evidence that demand is broadening.
Sources
- Billionaire Stanley Druckenmiller’s Key AI Stock Pick: Taiwan Semiconductor (TSM)
- Is Lam Research (LRCX) a Smart AI Stock Pick for Long-Term Investors?
- Nasdaq Drops Over 1% as OpenAI Annualized Revenue Misses Expectations; Tech, AI Hardware Stocks Sold Off, Micron Falls Nearly 5%
- OpenAI's Revenue Was Lower Than Previously Reported. Stocks Dropped Dragged by AI Names.
- Ransomware’s Terminator Moment
- Global Cybersecurity Leader Michael H. Lashlee Joins Bloo to Strengthen Enterprise AI Security
- How Investors Are Reacting To Rumble (RUM) AI Infrastructure Expansion
- AI tool plays matchmaker between Mass. businesses and contracts
- 2 AI and Quantum Stocks Set for Strong Q3 Earnings Growth
- TCS Shows AI Demand Is Turning Into Real Revenue
- Arista Networks (ANET) Could Be a Key Winner From the AI Infrastructure Boom
- Lynx sees AI semiconductor rally extending into year-end
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