Small Cap Breaking News You Can't Miss!Here's a quick rundown of the latest updates from standout small-cap companies making big moves today:Power Metallic Mines Inc. (TSXV: PNPN) (OTCBB: PNPNF) (Frankfurt: IVV1)Power Metallic is expanding its summer 2026 exploration program at the Nisk Project in Quebec with three advanced geophysical surveys — SQUIDs, gravity, and Ambient Noise Tomography — designed to pinpoint deeper Ni-Cu-PGE mineralization. These surveys run alongside a 30,000-metre diamond drill program already being mobilized for Q2 and Q3 2026. Investors in the critical metals space should take note as the company systematically targets extensions to the high-grade Lion Zone and new discoveries across the enlarged land package.Minaurum Silver Inc. (TSXV: MGG) (OTCQX: MMRGF) (FSE: 78M0)Minaurum has reported high-grade drill results from the Europa Sur Vein Zone at the Alamos Silver Project in Sonora, Mexico, highlighted by 3.20 metres of 882 g/t silver equivalent including a peak of 2,423 g/t AgEq over 0.95 metres. Elevated gold and copper values suggest the presence of a high-temperature feeder structure, substantially boosting resource expansion potential within the ongoing 50,000-metre Phase II drill program. Alamos already hosts a 55.4 Moz AgEq inferred resource.Sitka Gold Corp. (TSXV: SIG) (FSE: 1RF) (OTCQX: SITKF)Sitka Gold's first 2026 drill hole at the Blackjack deposit returned 94.0 metres of 1.79 g/t gold including 19.3 metres of 5.04 g/t gold from 1,093 metres depth — the deepest hole ever completed at the RC Gold Project in Yukon. The result extends high-grade gold approximately 370 metres below the existing resource pit and confirms strong continuity with last year's deep discovery. With four rigs active on a fully funded 60,000-metre program, the company is rapidly advancing a district-scale gold system hosting over 5.1 million ounces across indicated and inferred resources.CopAur Minerals Inc. (TSXV: CPAU)CopAur released a Preliminary Economic Assessment and a 52% increase in Mineral Resource Estimate for its Kinsley Mountain Gold Project in Nevada, now totaling 742,000 indicated ounces at 1.11 g/t gold. At the current spot gold price of US$4,500/oz, the project delivers a post-tax NPV of US$147 million and an IRR of 66% with a 1.5-year payback on pre-production CAPEX of US$81.8 million. For a small-cap company with a modest market capitalization, owning 100% of a permitted Nevada heap-leach gold project with these economics represents a potentially significant value proposition.Bottom Line: Today's stories highlight a sector in full motion — high-grade silver and gold drilling campaigns advancing in Mexico and the Yukon, paired with a Nevada gold project delivering compelling PEA economics. Critical metals exploration and near-term gold production potential are the dominant themes.Stay ahead of the market — follow AGORACOM for more breaking small-cap news and insights.