FTSE 100 news / Companies and sectors / Rio Tinto / 21 October 2026
Rio Tinto (RIO): news on Wednesday 21 October 2026
+3.0 positive
Coverage was dominated by the Rondo Energy heat battery project at Yarwun and positive comment on Simandou, alongside a Berenberg Buy rating. Share price weakness, Chilean copper disruptions, a pink diamond controversy and Glencore merger talk tempered the tone.
What drove it
- Yarwun heat battery project
- Simandou performance
- share price weakness
The 25 stories
- +9.7 Rio’s Simandou exceeds expectations
Simandou performing above expectations - +7.5 Rio Tinto stock: Berenberg keeps Buy target for Rio Tinto stock at GBp 8,700 - ad-hoc-news.de
Berenberg keeps Buy rating with high target - +6.3 “Hot bricks” heat battery to electrify Rio Tinto aluminium refinery in world-first project
Heat battery to electrify refinery, world-first project - +6.3 Rio Tinto partners with Rondo Energy for world-first ‘hot brick’ heat battery at Queensland refinery
World-first heat battery partnership at Queensland refinery - +6.0 Rio teams with US manufacturer on ‘world first’ thermal energy storage project
Thermal energy storage project partnership - +5.8 Rondo Energy and Rio Tinto begin design work on Australia’s largest thermal energy storage project - Energy-Storage.News
Design work begins on large storage project - +5.8 Rio Tinto (ASX:RIO) Reports Copper Growth and Updated Iron Ore Operations
Reports copper growth and updated iron ore operations - −5.8 Rio Tinto stock forecast: Downside risk prevails as sellers maintain short-term control
Forecast sees downside risk with sellers in control - +5.5 Rondo Energy and Rio Tinto Advance Australia's Largest Thermal Energy Storage Project
Advancing Australia's largest thermal storage project - +5.5 Rondo Energy, Rio Tinto Start Engineering on 360 MWh Heat Battery at Yarwun Alumina Refinery - News and Statistics
Engineering starts on heat battery at Yarwun - +5.5 Australia’s largest thermal energy storage project underway
Largest thermal storage project underway - +5.0 FTSE 100 Rio Tinto (LSE:RIO) Gains Ground on Productivity
Shares gain on productivity - −5.0 BHP, Rio Tinto feel copper disruptions in Chile
Copper disruptions in Chile affecting Rio - +5.0 Demonstrating a new pathway for electrifying industrial heat at scale
New pathway for electrifying industrial heat - +5.0 Heat Battery Pilot to Electrify Australian Industry
Heat battery pilot electrifying industry - +5.0 Backing for Yarwun industrial heat battery project
Backing for Rio's Yarwun heat battery project - −5.0 Ellie Goulding Apologises for Promoting Pink Diamonds Linked to Indigenous Land Concerns
Pink diamonds linked to Indigenous land concerns, reputational - −4.2 Rio Tinto falls Tuesday, underperforms market
Shares fell and underperformed market - −2.5 FTSE 100 movers: Ithaca and Shell rally; miners fall
Miners fell in FTSE movers, Rio among them - +2.5 BHP and Rio’s iron ore focus in India
Iron ore focus in India, mildly positive - +1.7 SMM, October 20: Rio Tinto disclosed on October 14 that Q3 2026 copper
Q3 copper disclosure, details limited - +1.3 Rio Tinto stock pre-market at EUR 78.68: mining group slightly higher
Slightly higher pre-market share price, minor - +0.8 Rio Tinto (ASX:RIO) and Glencore: Is a Mining Mega-Merger Back on the Table?
Speculation about possible mega-merger with Glencore - −0.8 Rio Tinto keeps 2026 guidance. Rio Tinto stock falls 1.30 percent - ad-hoc-news.de
Guidance kept but stock fell 1.3 percent - +0.5 Could Glencore Come Back for Rio Tinto (ASX:RIO)?
Speculation on Glencore return bid
Rio Tinto: every day · Mining on 21 October 2026 · FTSE 100 overview for the day