<h1>Market volatility and corporate disclosures raise securities, fiduciary, antitrust, and export-control compliance risks under Rule 10b-5</h1> Market volatility following tech stock losses raises legal and compliance considerations for issuers and market participants: corporate disclosures and earnings guidance may prompt shareholder litigation or SEC inquiries if perceived as misleading; a major retailer's announced CEO transition and continued comparable-store sales declines heighten potential fiduciary and governance scrutiny around succession and strategic decisions; a large acquisition by a home-improvement retailer triggers merger-review and antitrust considerations and related disclosure obligations; central bank signals and tariff policy risk create material event disclosure and securities-law risk; geopolitical tensions affecting cross-border trade may implicate export controls and supply-chain regulatory compliance.