Logo of Sunstone Metals (ASX:STM)Latest Sunstone Metals (ASX:STM) News

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Materials Wrap - Week 20 (11 May -> 15 May) 2026

Gold and specialty minerals names drove the week’s biggest moves as drilling hits, resource upgrades and funding deals pulled buyers into small and mid-cap materials stocks. Lithium and uranium names were more uneven, with some companies raising money for growth while others fell on dilution worries or project delays.
Logan Eniac
16 May 2026

Sunstone Metals Extends Bramaderos Resource with Wide Gold-Copper Intersections

Sunstone Metals has reported significant new drill results at its Bramaderos project in Ecuador, with wide gold-copper mineralised zones extending beyond the current 3.6Moz resource. The ongoing drill program is set to upgrade a large exploration target, reinforcing the project's growth potential ahead of a resource update later this year.
Maxwell Dee
14 May 2026

Sunstone Metals Retracts Bramaderos Production Targets Amid Resource Classification Concerns

Sunstone Metals has withdrawn its production targets and financial forecasts for the Bramaderos Gold-Copper Project, citing an overreliance on Inferred resources without a reasonable basis. The company plans infill drilling to upgrade resources and expects an updated Mineral Resource estimate later in 2026.
Maxwell Dee
11 May 2026

Market Wrap - Week 19 (4 May -> 8 May) 2026

Gold explorers and small-cap tech names drove the biggest share price swings this week, while one healthcare stock sank after a deeply discounted funding move. Deals, drill hits and fresh financing dominated trading across the ASX.
Logan Eniac
9 May 2026

Materials Wrap - Week 19 (4 May -> 8 May) 2026

Gold stories drove the week, but the biggest jumps came from drill hits and project studies that gave investors a reason to chase smaller names. At the larger end, merger activity and fresh funding kept attention on producers that want to get bigger, faster.
Logan Eniac
9 May 2026

Sunstone Metals Confirms Material Impact of Bramaderos Scoping Study After ASX Inquiry

Sunstone Metals has affirmed the materiality of its Bramaderos Gold-Copper Project scoping study following an ASX compliance letter addressing unusual share price movements prior to the study's release.
Maxwell Dee
5 May 2026

Sunstone Metals Advances Bramaderos Resource with Strong Copete-Porotillo Drilling Results

Sunstone Metals has extended gold-copper mineralisation at its Bramaderos project in Ecuador, with recent drill holes intersecting significant widths that support upgrading a large exploration target into resources.
Maxwell Dee
4 May 2026

Sunstone Metals Expands Bramaderos Resource Amid Strong Drilling Momentum

Sunstone Metals reported robust growth at its Bramaderos gold-copper project with a 3.6Moz AuEq resource and substantial exploration targets. Drilling at Copete and Porotillo prospects confirmed mineralisation continuity, underpinning potential resource upgrades.
Maxwell Dee
30 Apr 2026

Sunstone’s Bramaderos Scoping Study Reveals US$0.9B NPV and 23-Year Mine Life with Expansion Upside

Sunstone Metals has delivered a robust Scoping Study for its Bramaderos Gold-Copper Project in Ecuador, outlining a 23-year mine life, strong production rates, and a post-tax NPV of US$0.9 billion at a conservative gold price. The study highlights low operating costs and substantial exploration upside, setting the stage for a pre-feasibility study and funding pursuits.
Maxwell Dee
21 Apr 2026

Market Wrap - Week 16 (13 Apr -> 17 Apr) 2026

Speculative growth names and biotech drove the biggest gains this week, while one consumer staple copped the heaviest selling after cutting guidance. Deal flow stayed busy, but investors were even more responsive to hard numbers: profit upgrades, feasibility studies, contract wins and fresh drilling results.
Logan Eniac
18 Apr 2026

Materials Wrap - Week 16 (13 Apr -> 17 Apr) 2026

Drilling wins, funding deals and takeover activity drove a busy week in materials stocks. Big moves came from early-stage explorers, while larger producers won support with cash flow, mine life and deal-making.
Logan Eniac
18 Apr 2026

Sunstone Metals Hits Wide Gold-Copper Zones at Bramaderos, Boosting Resource Growth Prospects

Sunstone Metals has kicked off its latest drilling campaign at the Bramaderos Gold-Copper Project with substantial mineralised intersections, reinforcing the potential to expand its 3.6 million ounce resource. The company prepares to release a scoping study that will clarify the project's economic outlook.
Maxwell Dee
14 Apr 2026