Mackenzie Tatananni

Articles by Mackenzie Tatananni

Why Sionna Therapeutics Stock Is Crashing 91% to a Record Low - Barron's

Business August 12, 2026

Sionna Therapeuticsis shelving its highly anticipated cystic fibrosis drug candidate, SION-719, after it failed to meet the key endpoint in a proof-of-concept trial. Copyright Β©2026Dow Jones & C...

Apple Stock Downgraded to Sell as Analyst Claims All-Glass iPhone Is Dead - Barron's

Business August 12, 2026

Applestock was downgraded by a major Wall Street firm on Monday, as an analyst predicted that a radical iPhone redesign has been scrapped. Copyright Β©2026Dow Jones & Company, Inc. All Rights Res...

This Biotech’s Drug Could Treat Hot Flashes. The Stock Is Up 34% on Good News. - Barron's

Business August 11, 2026

AbCellera Biologics shares surged on Monday after the biotechnology companys menopause drug candidate delivered compelling results in an early-stage trial. Copyright Β©2026Dow Jones & Company, In...

Replimune Wins FDA Skin Cancer Drug Approval on Third Try. Why the Stock Is Tumbling. - Barron's

Business August 9, 2026

Replimune Groupreceived Food and Drug Administration clearance for its skin cancer drug, concluding a saga that saw regulators twice deny its application. The stock was falling anyway. Copyright Β©20...

Why Rigetti Stock Isn’t Rallying After Its Quantum Sales Surged - Barron's

Business August 8, 2026

Rigetti Computingnarrowly beat revenue forecasts as sales of its quantum computers picked up speed in the latest quarter, though widening losses and ongoing commercialization costs prevented a rally οΏ½...

Why D-Wave Quantum Stock Is Sliding After Earnings Reveal a 1,120% Surge in Bookings - Barron's

Business August 7, 2026

Wall Street was met with a tale of two quantum computing companies on Thursday, asIonQstock extended gains following a stronger-than-expected quarterly earnings report while shares ofD-Wave QuantumheοΏ½...

IonQ Kicks Off Quantum Earnings Season as Revenue Nearly Quadruples - Barron's

Business August 7, 2026

IonQkicked off the quantum earnings season on Wednesday, posting what its chief executive called the strongest quarter in the companys history. Copyright Β©2026Dow Jones & Company, Inc. All Right...

Novo Nordisk Stock Bounces Back After Surprise Earnings Report - Barron's

Business August 6, 2026

Novo NordisksU.S.-listed shares were paring earlier losses after the Danish drugmaker released its second-quarter earnings a day early. Copyright Β©2026Dow Jones & Company, Inc. All Rights Reserv...

Novo Nordisk Raises Earnings Guidance. The Stock Sinks. - Barron's

Business August 5, 2026

Novo NordisksU.S.-listed shares slumped after the Danish drugmaker released its second-quarter earnings a day early. Copyright Β©2026Dow Jones & Company, Inc. All Rights Reserved. 87990cbe856818d...

Pfizer Covid Pill Revenue Plunges 95%. The Stock Is Rising Anyway. - barrons.com

Business August 5, 2026

Pfizerlifted the bottom end of its full-year revenue guidance on Tuesday, citing growth in its non-Covid pharmaceutical portfolio. Its smaller Covid vaccine partner offered a less optimistic outlook.οΏ½...