Largecap News Today — September 26, 2026

US markets are set to navigate a complex landscape as investors weigh the implications of rising Treasury yields, which ended a volatile week on an upward note. This development comes as the broader financial landscape continues to evolve, with significant updates emerging in the realms of technology and consumer goods. Perps.com has unveiled its v3 network, boasting live perpetual markets, enhanced funding intelligence, and a crucial MCP endpoint, which could have far-reaching implications for traders and investors.

Beyond the world of finance, several other factors are at play that could influence market dynamics and consumer behavior. The ongoing debate surrounding iced coffee and hiring practices has sparked controversy, while a new ban on Canadian alcohol imposed by Trump is set to take effect, with some well-known brands managing to sidestep the restrictions. Additionally, concerns have been raised about the vulnerability of older individuals to scams, highlighting under-the-radar risk factors that contribute to this susceptibility. As investors seek to capitalize on emerging trends like AI while mitigating potential risks, staying informed about these diverse developments will be essential for making informed decisions.

Today's signal:
• Perps.com opens its v3 network: live perp markets, funding intelligence and an MCP endpoint (Perps.com)
• These under-the-radar risk factors may explain why some older people are more vulnerable to scams (marketwatch.com)
• Trump’s ban on Canadian alcohol starts Tuesday, but these well-known brands will avoid it (marketwatch.com)
• The iced coffee debate reflects 'everything wrong with hiring right now,' says career expert (cnbc.com)
• Treasury yields rise again to end a volatile week (cnbc.com)
• How to keep profiting from AI while shielding your portfolio against the risk of a slowdown (marketwatch.com)