Roman Perkowski

Roman Perkowski is a senior markets reporter at TS2.tech, specializing in stocks, technology and macroeconomic trends. A graduate of the Cracow University of Economics, he previously worked in investment research and corporate finance. His coverage helps readers understand the key forces driving global financial markets and emerging industries. Follow Roman Perkowski on Google News.

Micron Drops as AI Memory Stocks Take a Hit

Micron Technology dropped 8.3% to $989.46 at the open on Nasdaq Thursday, part of a larger chip-stock slide that sent the iShares Semiconductor ETF down 5.0% and the QQQ off 1.3%. Despite the selloff, Micron still held a market cap close to $1.13 trillion, a sign of just how far the AI memory rally went before buyers stepped back.

4 June 2026

Artificial Intelligence·NASDAQ:AMD·NASDAQ:AVGO·NASDAQ:MU·NASDAQ:WDC·Stock Market·Technology

UnitedHealth Shares Climb as Wall Street Sees Less Cost Pressure

UnitedHealth Group shares climbed over 5% Thursday morning after Bank of America upgraded the stock to Buy and Morgan Stanley raised its price target. Wall Street is showing new support for the health insurer’s recovery bet.

4 June 2026

NYSE:CI·NYSE:ELV·NYSE:HUM·NYSE:UNH·Stock Market

Archer Aviation Drops Pre-Market With Cash Burn In Focus

Archer Aviation Inc. shares traded lower before the bell Thursday, with the air-taxi maker sliding ahead of the New York open. The stock was last indicated at $6.53, off $0.22, or around 3.3%. Archer’s market cap stood near $5.0 billion.

4 June 2026

NYSE:ACHR·NYSE:JOBY·Stock Market·Technology

Nuburu Shares Back in Play as BURU Traders Look at New Defense-Tech Angle

Nuburu Inc. picked up early trading interest Wednesday, with the stock up around 8%. The laser-technology firm, which is repositioning as a defense and security player, flagged new business momentum at its Orbit software arm.

4 June 2026

Defense Technology·NYSE:BURU·Stock Market

Rigetti Shares Fall Premarket With Fresh Nasdaq Test for Quantum

Rigetti Computing shares fell before Thursday’s Nasdaq open, trading at $24.10, down $2.79, or about 10.4%, from the previous close. Investors were getting ready for another public-market test for the quantum-computing trade.

4 June 2026

Nasdaq·NASDAQ:IONQ·NASDAQ:QNT·NASDAQ:RGTI·Quantum Computing·Stock Market·Technology

Navitas Stock Gets Boost from Nvidia But Risks Remain for Traders

Navitas Semiconductor traded higher on Wednesday, gaining 19% to close at $30.84 after news of its involvement with NVIDIA’s AI-infrastructure. But sellers showed up after hours, with Public.com indicating the stock at $28.60, off 7.25% from the close. Another choppy session looks likely on Thursday.

4 June 2026

NASDAQ:NVTS·Semiconductors·Stock Market·Technology

McDonald’s aims at chicken rivals with updated pitch to lure diners

McDonald’s is pushing chicken, automation, and a bigger effort on social-media marketing in a new corporate plan. The company is betting this mix will help bring in more budget-minded diners as the scramble over value and food quality heats up.

3 June 2026

NYSE:MCD·Restaurant Industry

Medtronic shares rise on earnings beat, 2027 risk still in view

Medtronic shares moved higher Wednesday as the company posted fiscal fourth-quarter revenue and adjusted profit above Wall Street targets, getting a lift from demand for its heart devices for complex cardiac procedures.

3 June 2026

Earnings Reports·NYSE:MDT

Tesla gets its robotaxi move, but traders pause

Tesla shares fell Wednesday afternoon after the company announced it is launching unsupervised robotaxis across the Austin Metro area. The move puts new attention on Wall Street’s expectations for profits from Tesla’s self-driving push. Tesla’s official robotaxi account posted, “Unsupervised Robotaxi now in the entire Austin Metro area.”

3 June 2026

Autonomous Vehicles·NASDAQ:TSLA·Stock Market

Social Security cuts could drop retiree checks by $500 a month by 2032

Social Security payments to U.S. retirees could drop by an average $500 a month if Congress doesn’t act before the program’s trust fund is depleted in 2032, according to the Committee for a Responsible Federal Budget on Wednesday. The Washington watchdog group said benefits would be cut 24% nationwide, with average monthly losses topping $500 in 29 states, from $459 in Mississippi to $556 in Connecticut.

3 June 2026

Retirement Planning

IREN Up Early as 800MW AI Campus in Australia Heats Up Power Race

IREN Limited climbed ahead of the bell Wednesday after the AI cloud and data-center operator announced it will build an 800 MW campus in Bundey, South Australia. This is its first data-center project announced in Australia. The company said it's secured a transmission connection agreement. The Nasdaq-listed shares recently traded at $66.60, up $1.25 from where they finished Tuesday.

3 June 2026

Artificial Intelligence·NASDAQ:IREN·Stock Market

Archer Aviation trades under $7 as next test looms for air-taxi gamble

Archer Aviation Inc. traded under $7 before the bell on Wednesday after closing at $6.74 on Tuesday. Shares finished down 1.46% with volume around 48.6 million. The New York Stock Exchange’s regular session was set for a 9:30 a.m. EDT open.

3 June 2026

NYSE:ACHR·Stock Market·Technology

Massachusetts Power Bills Face A Summer Test As National Grid Sends Help To Worcester

National Grid will begin a new round of Worcester customer-assistance events on Thursday as the utility moves to blunt summer electricity costs and prepare its Massachusetts network for higher cooling demand. The push pairs bill help with grid work already underway before the first major heat waves.

3 June 2026

Energy·LSE:NG

Rigetti moves up, but new filings keep quantum trades on edge

Rigetti Computing shares ended Tuesday up 4.9% at $26.88, putting the quantum computing firm’s market cap near $9.0 billion before the Nasdaq opened again Wednesday. Nasdaq’s main session was still shut in New York. June 3 is not on the exchange’s 2026 holiday calendar.

3 June 2026

NASDAQ:RGTI·Quantum Computing·Stock Market

Laser Photonics Jumps After Anti-Drone Deal, Traders Watch Next Move

Laser Photonics Corp shares climbed again in premarket trading Wednesday after the company said its Laser Shield Anti-Drone system was chosen for a defense technical-exchange process. The stock was at $3.08 at 04:11 EDT, up 27.27% premarket, adding to Tuesday’s close at $2.42, which was up 160.92%.

3 June 2026

Defense Technology·NASDAQ:LPHC·Stock Market

Wall Street Record Faces Latest Test After Hours: AI Hype, Oil, Rates, Jobs Collide

U.S. stocks finished at new highs Tuesday, but after-hours trading barely moved. Traders didn’t push for gains after hardware names tied to artificial intelligence drove the regular session.

3 June 2026

Artificial Intelligence·Interest Rates·NASDAQ:GOOGL·NASDAQ:MRVL·NASDAQ:NVDA·NASDAQ:SMCI·NYSE:BRK.B·NYSE:DELL·NYSE:HPE·Oil Prices·Stock Market

Amazon Gets June Prime Day Announcement, Stock Falls

Amazon.com Inc. slipped 1.81% to $256.52 on Tuesday, with shares losing ground while the wider market pushed higher. The drop came as Amazon locked in a June Prime Day, offering a look at its retail plans before the quarter ends.

3 June 2026

E-Commerce·NASDAQ:AMZN·Stock Market

Palo Alto shares jump after company raises guidance on AI cybersecurity demand

Palo Alto Networks bumped up its full-year outlook on Tuesday, saying demand for its cloud, identity, and AI cyber tools was better than expected last quarter. The company topped Street forecasts in its fiscal Q3. Shares jumped 7.4% after hours, Reuters said.

2 June 2026

Artificial Intelligence·Cybersecurity·NASDAQ:PANW·Stock Market

Rivian’s R2 launch pushes RIVN stock higher, Wall Street watching

Rivian Automotive shares climbed Tuesday afternoon, building on recent gains ahead of the electric-vehicle company’s first R2 deliveries to customers set for next week. Investors also looked to two upcoming appearances from Rivian’s finance chief.

2 June 2026

Electric Vehicles·NASDAQ:RIVN·Stock Market·Technology

NuScale Rises Again as Nuclear AI Trade Eyes New Test

NuScale Power shares climbed 8.6% to $14.00 in early afternoon trading Tuesday. Investors were buying nuclear tech stocks again as power demand from data centers and AI stays in focus. NuScale opened at $12.75 and hit $14.30 at the session high. Volume topped 41 million shares. The company’s market value was close to $4.48 billion.

2 June 2026

Artificial Intelligence·NYSE:CEG·NYSE:SMR·Stock Market

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Roman Perkowski

Micron Drops as AI Memory Stocks Take a Hit

UnitedHealth Shares Climb as Wall Street Sees Less Cost Pressure

Archer Aviation Drops Pre-Market With Cash Burn In Focus

Nuburu Shares Back in Play as BURU Traders Look at New Defense-Tech Angle

Rigetti Shares Fall Premarket With Fresh Nasdaq Test for Quantum

Navitas Stock Gets Boost from Nvidia But Risks Remain for Traders

McDonald’s aims at chicken rivals with updated pitch to lure diners

Medtronic shares rise on earnings beat, 2027 risk still in view

Tesla gets its robotaxi move, but traders pause

Social Security cuts could drop retiree checks by $500 a month by 2032

IREN Up Early as 800MW AI Campus in Australia Heats Up Power Race

Archer Aviation trades under $7 as next test looms for air-taxi gamble

Massachusetts Power Bills Face A Summer Test As National Grid Sends Help To Worcester

Rigetti moves up, but new filings keep quantum trades on edge

Laser Photonics Jumps After Anti-Drone Deal, Traders Watch Next Move

Wall Street Record Faces Latest Test After Hours: AI Hype, Oil, Rates, Jobs Collide

Amazon Gets June Prime Day Announcement, Stock Falls

Palo Alto shares jump after company raises guidance on AI cybersecurity demand

Rivian’s R2 launch pushes RIVN stock higher, Wall Street watching

NuScale Rises Again as Nuclear AI Trade Eyes New Test

TechStock² Updates

DraftKings Inc. (NASDAQ:DKNG) surges 8% as analysts say half-point margin boost could offset Q2 shortfall

SK hynix Shares Under Scrutiny Monday Amid $38 Billion Factory Move, Cash Returns in Focus

MercadoLibre (NASDAQ:MELI) under pressure from margin test as high-value user growth quickens

Johnson & Johnson (NYSE:JNJ) Shares Steady at High Levels Even After 5.5% Earnings Revision

Ambev Shares Slip Over the Week Despite Solid Cash Flow Amid Concerns on Volumes

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