If you missed this week’s big news, don’t worry—you were probably too busy watching a cat expertly ignore a laser pointer for a solid three hours. While felines perfected the art of selective attention, the business world was busy shaking things up in ways that actually matter.
A brutal sell-off for AI stocks sends Wall Street reeling, and the S&P 500 tumbles 4.4%
On November 5, 2026, the S&P 500 dropped 4.4%, marking its worst trading day since April 2025, while the Nasdaq composite fell 5.5%, entering correction territory. The sell-off was driven by investor concerns over AI-related stocks, especially those linked to AI data centers, amid high borrowing costs and political pressures. Nvidia’s shares declined 9.3%, and Advanced Micro Devices (AMD) plunged 17.3%, reflecting widespread caution in the AI sector.
Source: Associated Press
DoorDash Pays $17 Billion for the Ad Business It Couldn't Build
DoorDash announced on November 5, 2026, its agreement to acquire Instacart for approximately $17 billion. The acquisition aims to strengthen DoorDash’s position in grocery delivery and advertising markets. Instacart will retain its brand, app, and enterprise technology post-acquisition. The deal is subject to regulatory approvals and customary closing conditions, signaling DoorDash’s strategic expansion in retail media during the competitive holiday marketing season.
Source: American Advertising and Marketing Association
Omnicom Media Again Named Best Performing Global Media Group, Earns #1 Ranking Across All Four Regions
On November 3, 2026, Omnicom Media Group was recognized as the best-performing global media group, securing the number one ranking across all four regions. This accolade highlights Omnicom’s leadership in media management services and reflects the success of its strategic initiatives and client engagements worldwide, underscoring its continued excellence and influence in the global media landscape.
Source: Omnicom Group Inc.
Stagwell Media Names Kate Richling as Chief Brand and Communications Officer
Stagwell Media announced on November 6, 2026, the appointment of Kate Richling as Chief Brand and Communications Officer. Richling brings extensive expertise in brand strategy and communications. Her leadership is expected to enhance Stagwell’s brand presence and communication strategies, driving innovation and growth to strengthen the company’s market position.
Source: Stagwell Inc.
Taboola Reports Q3 2026 Financial Results; Full Page Monetization Live Across All NBCUniversal; Fox News Live 100%; Dianomi Acquisition Expected to Close Before End of Year
Taboola released its Q3 2026 financial results on November 4, 2026, highlighting key growth milestones. Full-page monetization is now active across all NBCUniversal platforms, and Fox News has achieved 100% live monetization through Taboola’s platform. Additionally, Taboola expects to complete its acquisition of Dianomi before year-end, which will expand its market reach and capabilities in content recommendation and advertising.
Source: Taboola Inc.
