
Esteban Tesson
Journalist
Wall Street slips amid uncertainty over the Fed, inflation and corporate earnings
U.S. markets ended Friday's session lower, in a jittery atmosphere marked by mounting monetary-policy uncertainty, unsettling inflation data and a mixed run of corporate releases. Donald Trump's appointment of Kevin Warsh as Federal Reserve chair acted as a catalyst for volatility, also triggering a sharp correction in precious metals.
31 January 2026 at 08:10 am AEDT
Regeneron beats expectations on Dupixent strength despite pressure on Eylea
On Friday Regeneron Pharmaceuticals posted quarterly results that exceeded forecasts, driven by strong growth in Dupixent, its flagship treatment jointly developed with Sanofi. Dupixent sales rose 34% to $4.9bn, in line with market estimates. As Eylea revenue falls amid tougher competition and regulatory constraints, Dupixent is emerging as the group's main growth engine.
31 January 2026 at 02:02 am AEDT
Regeneron beats expectations on Dupixent, despite pressure on Eylea
Regeneron Pharmaceuticals on Friday reported quarterly results that topped forecasts, driven by strong growth in Dupixent, its flagship treatment co-developed with Sanofi. Dupixent sales rose 34% to $4.9bn, in line with market estimates. As Eylea revenue declines amid tougher competition and regulatory constraints, Dupixent is emerging as the company's main growth engine.
31 January 2026 at 12:36 am AEDT
Discover our authors
- Stock Market
- Our authors
- Esteban Tesson





















