London, Jan 28, 2026, 08:06 GMT — Regular session

• Shares of Rio Tinto plc edged up roughly 0.5% in early trading in London
• UK takeover-code filings surface as investors monitor Glencore deal schedule
• Iron ore supply remains in the spotlight following Vale’s 2025 production update

Shares of Rio Tinto plc edged higher in early London trading Wednesday as investors digested new takeover-code disclosures related to potential merger talks with Glencore. The stock last traded up roughly 0.5% at 6,762 pence. (Investing)

The key issue now is timing. Rio Tinto revealed earlier this month it has until 5 p.m. London time on Feb. 5 to declare a firm intention to bid for Glencore or to confirm it won’t, per the UK…