Mackenzie Tatananni

Mackenzie Tatananni

Reporter

LATEST ARTICLES

Arm, Intel, AMD, Firefly Aerospace, Robinhood, JD.com, Sarepta, and More Stock Market Movers

Arm, Intel, AMD, Firefly Aerospace, Robinhood, JD.com, Sarepta, and More Stock Market Movers

Arm Holdings stock jumps after the semiconductor company says it will make its own data-center CPU.

3 minute read

Has the AI Bubble Burst Already? Why This Economist Says the S&P 500 Peak Has Passed.

Has the AI Bubble Burst Already? Why This Economist Says the S&P 500 Peak Has Passed.

Software recently has come under pressure, but John Higgins at Capital Economics believes there’s more at play.

3 minute read

Shares of This Gene Therapy Maker Are Up 30%. The Safety Debate Is Far From Over.

Shares of This Gene Therapy Maker Are Up 30%. The Safety Debate Is Far From Over.

Sarepta Therapeutics has come under pressure following the deaths of three patients using its treatments.

4 minute read

Johnson & Johnson Exits 3 Biotechs but Keeps Stakes in These Rumored Acquisition Targets

Johnson & Johnson Exits 3 Biotechs but Keeps Stakes in These Rumored Acquisition Targets

The drugmaker and medical technology company sold its remaining shares in two previous partners.

2 minute read

Arm Stock Surges After Falling on Plan to Sell Own Chips

Arm Stock Surges After Falling on Plan to Sell Own Chips

Arm unveils its first-ever data center CPU, developed in collaboration with Meta. That isn’t the reason shares are rising.

4 minute read

Apollo, Gartner, Intuit, Lumentum, Estée Lauder, APA, Tesla, and More Stock Market Movers

Apollo, Gartner, Intuit, Lumentum, Estée Lauder, APA, Tesla, and More Stock Market Movers

Fears of artificial-intelligence disruption hit software stocks after Apollo Global Management caps withdrawals at one of its funds.

2 minute read

Oil Rises Again. There's a Floor Despite Peace Push.

Oil Rises Again. There's a Floor Despite Peace Push.

Brent and WTI prices were rising as relief at President Donald Trump’s comments that Washington and Tehran are in talks faded.

4 minute read

Lumentum and Coherent Lead S&P 500. Why the Index Newcomers Have Room to Rise.

Lumentum and Coherent Lead S&P 500. Why the Index Newcomers Have Room to Rise.

Lumentum and Coherent have seen explosive gains over the past 12 months amid a boom in artificial-intelligence infrastructure spending.

3 minute read

Gilead to Buy Ouro Medicines for $2.2 Billion. Why the Deal Is Key to Future Stock Gains.

Gilead to Buy Ouro Medicines for $2.2 Billion. Why the Deal Is Key to Future Stock Gains.

Gilead plans to develop Ouro’s lead drug candidate, gamgertamig, alongside a Belgian pharma company.

3 minute read

LaGuardia Airport Reopens After Crash. Big Delays.

LaGuardia Airport Reopens After Crash. Big Delays.

New York’s LaGuardia Airport had been closed for hours following a collision between an Air Canada plane and a Port Authority vehicle.

4 minute read

Norwegian, Super Micro, Freeport-McMoRan, Tesla, United Airlines, Synopsys, and More Stock Market Movers

Norwegian, Super Micro, Freeport-McMoRan, Tesla, United Airlines, Synopsys, and More Stock Market Movers

Norwegian Cruise Lines rises to become the best performing stock in the S&P 500 index.

2 minute read

Gold Just Wiped Out Its 2026 Gains. Here's Why.

Gold Just Wiped Out Its 2026 Gains. Here's Why.

Higher energy prices have it made it more likely that the Fed will keep rates steady - a headwind for gold.

4 minute read

Vertiv Joins the S&P 500 Today. Can Its AI Rally Keep Going?

Vertiv Joins the S&P 500 Today. Can Its AI Rally Keep Going?

The stock has benefited from an explosion in data-center spending, but it’s unclear how much further the stock can rise.

2 minute read

Brent Price Rises Again. Trump Doesn’t Want a Ceasefire.

Brent Price Rises Again. Trump Doesn’t Want a Ceasefire.

The global Brent crude benchmark had hit $119 a barrel in the previous session.

2 minute read

Super Micro, Dell, Planet Labs, SolarEdge, XPeng, York Space Systems, and More Stock Market Movers

Super Micro, Dell, Planet Labs, SolarEdge, XPeng, York Space Systems, and More Stock Market Movers

Super Micro stock plunges after the U.S. government charges employees with involvement in a plan to divert servers to China.

2 minute read

Palantir Stock Is in the Red This Year. Why Analysts Say It’s Still an AI Winner.

Palantir Stock Is in the Red This Year. Why Analysts Say It’s Still an AI Winner.

The artificial-intelligence heavyweight has developed a competitive moat, say analysts.

3 minute read

Affirm, Fintech Stocks Hit by Private-Credit Jitters. Why You Shouldn’t Panic Just Yet.

Affirm, Fintech Stocks Hit by Private-Credit Jitters. Why You Shouldn’t Panic Just Yet.

Affirm stock dropped after concerns about private-credit liquidity tied to LENDX. Analysts say funding demand and loan performance remain strong.

3 minute read

Micron, Accenture, Seagate, APA, Newmont, Alibaba, Swarmer, and More Stock Market Movers

Micron, Accenture, Seagate, APA, Newmont, Alibaba, Swarmer, and More Stock Market Movers

Micron stock drops even as the memory-chip maker posts strong fiscal second-quarter earnings.

2 minute read

Accenture Stock Rallies After Earnings Beat. Is the AI Panic Finally Subsiding?

Accenture Stock Rallies After Earnings Beat. Is the AI Panic Finally Subsiding?

Accenture shares have plunged in 2026, most recently driven lower by fears of AI disruption.

3 minute read

Gold Prices Slide 6%

Gold Prices Slide 6%

The price of gold fell after heightened tensions in the Middle East drove oil prices higher

3 minute read

of 69 pages