Stock Market 28 April 2026

Navitas Stock Slides 17% as AI Power-Chip Rally Runs Into Earnings Test

Navitas Semiconductor dropped roughly 17% by late morning Tuesday, snapping back after a strong rally that put the power-chip maker close to its 52-week peak. Shares were last seen at $15.11, having slipped to an intraday low of $14.84. Volume topped 26 million shares early on.

28 April 2026

Earnings Reports·NASDAQ:NVTS·Stock Market·Technology

Aterian Stock Soars as $18 Million Brand Sale and David Lazar Investment Reset the Company

Shares of Aterian Inc. surged Tuesday, as the consumer-products firm struck a deal to sell its signature e-commerce brand portfolio to Trademark Global LLC for $18 million in cash. The company also secured a separate $7 million investment from David Lazar.

28 April 2026

NASDAQ:ATER·Stock Market

Vertiv Stock Slides as Strategic Thermal Labs Deal Sharpens AI Cooling Push

Vertiv Holdings Co has pushed further into AI data-center cooling, finalizing its purchase of Strategic Thermal Labs LLC, which specializes in advanced liquid-cooling tech. The acquisition, revealed Monday in a filing and press statement, gives Vertiv chip-level thermal know-how just as AI servers ramp up heat and force data-center vendors to rethink power and cooling design.

28 April 2026

NYSE:VRT·Stock Market

Cosan’s Compass IPO Could Crack Open Brazil’s Listing Market With R$5.1 Billion Sale

Cosan SA is pushing ahead with plans to list Compass Gás e Energia SA via an all-secondary share sale—potentially breaking a nearly five-year dry spell for big IPOs in Brazil and gauging appetite for fresh local deals. Rather than issuing fresh equity, Compass, which Cosan controls, is putting existing shares up for grabs.

28 April 2026

Stock Market

US Stock Market Today: Nasdaq Slides as AI Selloff Hits Nvidia, Fed and Oil Risks Loom

Nasdaq Composite slumped Tuesday morning, pulling major U.S. equity benchmarks into the red after renewed worries about artificial intelligence demand rattled chipmakers and names tied to the cloud. By 11:49 a.m. ET, Nasdaq had dropped 1.44%. The S&P 500 was off 0.78%, while the Dow managed a slim 0.12% gain, according to Reuters.

28 April 2026

Federal Reserve·Nasdaq·NASDAQ:AMD·NASDAQ:AMZN·NASDAQ:GOOG·NASDAQ:GOOGL·NASDAQ:META·NASDAQ:MSFT·NASDAQ:NVDA·NYSE:ORCL·Oil Prices·Stock Market

Dow Jones Today: Why The Dow Is Holding Up While Nasdaq Sinks On AI Worries

The Dow Jones Industrial Average managed a modest gain Tuesday, bucking declines in the S&P 500 and a steeper slide for the Nasdaq as traders moved out of AI stocks and into more stable blue chips. According to LSEG figures cited by Reuters, the Dow closed up 100.62 points, or 0.20%, at 49,268.41. The S&P 500 slipped 0.64%, with the Nasdaq down 1.24%.

28 April 2026

Nasdaq·NASDAQ:AMD·NASDAQ:ARM·NASDAQ:NVDA·NASDAQ:ORCL·NYSE:JNJ·NYSE:KO·Stock Market

SoftBank Group Stock Plunges Nearly 10% as OpenAI Growth Scare Hits Masayoshi Son’s AI Bet

SoftBank Group Corp. slid nearly 10% in Tokyo on Tuesday, reacting to news that OpenAI failed to hit user and revenue targets. Shares finished the session at 5,268 yen, a drop of 9.86%.

28 April 2026

Artificial Intelligence·Stock Market·TSX:9984

Why Zimmer Biomet Stock Sank After a Q1 Earnings Beat and Raised Profit Outlook

Zimmer Biomet dropped roughly 9% Tuesday, despite topping first-quarter expectations and bumping up its 2026 profit outlook. Investors zeroed in on a flat sales forecast, a CFO departure, and hints of pressure from a revamp of U.S. sales operations. Shares were changing hands at $84.17 late in the morning.

28 April 2026

Earnings Reports·NYSE:ZBH·Stock Market

GitLab Stock Rises After Anthropic Claude Deal as AI Tool Race Heats Up

GitLab Inc. on Tuesday announced it’s expanding its partnership with Anthropic, integrating the latest Claude models into the GitLab Duo Agent Platform. Enterprise users now get direct access to new Claude tools, with all agent activities still governed by GitLab’s compliance, audit, and policy frameworks.

28 April 2026

Artificial Intelligence·NASDAQ:GTLB·Stock Market·Technology

Omnicell Stock Surges After Q1 Earnings Beat and Raised 2026 Profit Outlook

Shares of Omnicell Inc. surged Tuesday, as the medication-management tech firm topped analyst forecasts for both first-quarter earnings and sales, while also boosting its profit target for 2026. The upbeat results fueled momentum for Titan XT, Omnicell’s latest automated dispensing system targeting hospitals and health systems.

28 April 2026

Earnings Reports·NASDAQ:OMCL·Stock Market

Centene Stock Surges as 2026 Profit Forecast Gets a Medical-Cost Boost

Centene Corp bumped up its 2026 profit outlook Tuesday, following a first-quarter earnings beat that signaled tighter reins on medical expenses. Shares surged more than 6% in early trade, according to Reuters.

28 April 2026

Earnings Reports·NYSE:CNC·Stock Market

Microsoft Stock Today: Why MSFT Is Flat Before a Crucial Azure Earnings Test

Microsoft shares were barely higher on Tuesday as the market weighed a reset of the company’s OpenAI partnership against a bigger event: fiscal third-quarter results due after the close on Wednesday. The stock recently traded at $426.14, up 0.3%, after moving between $418.49 and $428.04.

28 April 2026

Earnings Reports·Microsoft·NASDAQ:MSFT·Stock Market

Amazon Stock Today: Why AMZN Is Slipping Before a High-Stakes AI Earnings Test

Amazon.com shares dipped on Tuesday as investors braced for first-quarter results that could reset the market’s view of the company’s AI spending and cloud-growth story. AMZN was recently at $260.11, down about 0.4%, after opening at $258.39 and trading between $256.40 and $262.04.

28 April 2026

Amazon·Earnings Reports·NASDAQ:AMZN·NASDAQ:GOOGL·NASDAQ:META·NASDAQ:MSFT·Stock Market

AMD Stock Drops Today as OpenAI Worries Hit the AI Chip Trade Before Earnings

Shares of Advanced Micro Devices slipped Tuesday, losing 4.2% to $320.66. The stock opened at $311.57 and dropped as low as $309.70 after a report pointing to slower-than-forecast growth at OpenAI, a key new customer for AMD, prompted investors to pare back holdings in AI chip names.

28 April 2026

Artificial Intelligence·Earnings Reports·NASDAQ:AMD·Stock Market

Ulta Beauty Stock Keeps Sliding as Investors Test the Beauty Chain’s AI Bet

Ulta Beauty Inc. shares edged lower Tuesday, continuing a retreat that’s weighing on the U.S. beauty retailer’s growth narrative—despite its latest push into AI-powered shopping. The stock was off 0.4% to $537.44 during mid-morning, putting Ulta’s market value around $24.1 billion.

28 April 2026

Artificial Intelligence·NASDAQ:ULTA·Stock Market

Classover Stock Jumps as BlackRock 8% Filing and TIME EdTech Ranking Put KIDZ Back in Focus

Classover Holdings shares popped Tuesday, drawing brisk volume, after BlackRock revealed an 8% Class B stake. The AI education company also landed on TIME’s 2026 U.S. edtech list. KIDZ was trading at $1.08 late morning, according to Investing.com, up from $0.97 at the previous close. Robinhood’s data showed volume surging to 32.54 million shares, far above the 5.73 million average.

28 April 2026

NASDAQ:DUOL·NYSE:COUR·Stock Market

American Tower Raises 2026 Outlook: Why AMT Stock Is Moving Today

American Tower bumped up its 2026 outlook Tuesday, following a better-than-expected first-quarter profit and revenue. Shares climbed in morning trade, with investors shrugging off a softer U.S. tower market.

28 April 2026

Earnings Reports·NYSE:AMT·Real Estate·Stock Market

Why Celestica Stock Is Falling Even After a Big AI Outlook Raise

Celestica Inc. shares slid Tuesday, despite the Toronto electronics maker bumping up its 2026 sales and profit targets. Investors shrugged off another solid quarter fueled by demand for artificial-intelligence infrastructure. New York-listed shares traded down roughly 15% to $357.45, after opening at $382.00, according to market data.

28 April 2026

NYSE:CLS·Stock Market

Sleep Number Stock Surges After $55 Million Lender Lifeline Buys Mattress Maker Time

Shares of Sleep Number Corporation surged Tuesday, buoyed by news the mattress company secured a lender agreement that injects $55 million in liquidity—$25 million of that in a term loan—and provides a break on certain credit-agreement covenants.

28 April 2026

NASDAQ:SNBR·Stock Market

Nvidia Stock Today: Why Shares Are Falling After the OpenAI Shock

Nvidia slid 1.8% to $212.78 Tuesday, erasing some of Monday’s rally. The pullback came as traders exited AI names following a report that cast doubt on OpenAI’s user numbers, revenue, and future spending on compute. At its session low, Nvidia hit $208.62, but the chipmaker still held onto a market cap north of $5.2 trillion.

28 April 2026

NASDAQ:AMD·NASDAQ:ARM·NASDAQ:AVGO·NASDAQ:NVDA·NYSE:ORCL·Stock Market·Technology·TSX:9984