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Stocks to Compare Sections All Sections Selected Performance Chart Price & Volume MarketRank Analyst Ratings Sales & Book Value Profitability & Earnings Dividends Debt Ownership Miscellaneous Headlines About Compare CVE:STAR CVE:ZEN On This Page Performance ChartPrice & VolumeMarketRank™Analyst RatingsSales & Book ValueProfitability & EarningsDividendsDebtOwnershipMiscellaneousHeadlinesAbout Comparison Ideas Stock Ideas Comparative Price Performance Over Time1 day7 days30 days90 days365 daysCompare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeSTARFive Star DiamondsC$0.02+33.3%C$0.02C$0.01▼C$0.06C$2.85MN/A108,052 shs11,000 shsZENZentekC$0.65-4.4%C$0.76C$0.52▼C$1.70C$82.30M0.693692154,635 shs93,542 shs7 Stocks That Will Be Magnificent in 2026Discover the next wave of investment opportunities with our report, 7 Stocks That Will Be Magnificent in 2026. Explore companies poised to replicate the growth, innovation, and value creation of the tech giants dominating today's markets.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceSTARFive Star Diamonds0.00%0.00%0.00%0.00%0.00%ZENZentek+6.25%+1.49%+13.33%0.00%-44.26%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeSTARFive Star DiamondsC$0.02+33.3%C$0.02C$0.01▼C$0.06C$2.85MN/A108,052 shs11,000 shsZENZentekC$0.65-4.4%C$0.76C$0.52▼C$1.70C$82.30M0.693692154,635 shs93,542 shs7 Stocks That Will Be Magnificent in 2026Discover the next wave of investment opportunities with our report, 7 Stocks That Will Be Magnificent in 2026. Explore companies poised to replicate the growth, innovation, and value creation of the tech giants dominating today's markets.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceSTARFive Star Diamonds0.00%0.00%0.00%0.00%0.00%ZENZentek+6.25%+1.49%+13.33%0.00%-44.26%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceSTARFive Star Diamonds 0.00N/AN/AN/AZENZentek 0.00N/AN/AN/ACompare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookSTARFive Star Diamonds-C$397.00-7,176.78C$0.00 per share35.00C$0.04 per share0.47ZENZentekC$166.05K495.66C$0.05 per share13.85C$0.09 per share7.15Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateSTARFive Star DiamondsN/A-C$0.00N/AN/AN/AN/AN/AN/AN/AZENZentek-C$10.75M-C$0.09N/AN/AN/A-5,882.61%-81.71%-27.09%N/ACompare DividendsCompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive GrowthSTARFive Star DiamondsN/AN/AN/AN/AN/AZENZentekN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioSTARFive Star Diamonds10.860.040.01ZENZentek19.520.647.59Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipSTARFive Star DiamondsN/AZENZentek0.04%Insider OwnershipCompanyInsider OwnershipSTARFive Star DiamondsN/AZENZentek6.01%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableSTARFive Star DiamondsN/A142.46 millionN/ANot OptionableZENZentek24126.62 millionN/ANot OptionableUOG, JOG, ZEN, and STAR HeadlinesRecent News About These CompaniesQuality Filters places first commercial order for Zentek’s ZenGuard air filtration mediaJuly 8, 2026 | filtsep.comFFormer NHLer Jeremy Roenick becomes a player for Hearst graphite mine developerJune 27, 2026 | elliotlaketoday.comEZentek Creates U.S. Joint Venture to Advance Albany Ultra-High-Purity Graphite in National-Security Supply ChainJune 26, 2026 | tipranks.comOff-market insider buying at Zentek (ZEN)June 6, 2026 | theglobeandmail.comZentek Raises C$18 Million in Brokered LIFE Financing to Advance Albany Graphite and ZenGUARDMay 27, 2026 | tipranks.comZendesk Appoints Tifenn Dano Kwan as Chief Marketing OfficerMay 27, 2026 | businesswire.comZendesk Commits $100M to Help Startups Build with AI, Expands VC ProgramMay 20, 2026 | businesswire.comZendesk Introduces the Autonomous Service Workforce, Defining the Future of Customer and Employee ServiceMay 19, 2026 | businesswire.comZentek Wins Exclusive Three-Year Federal Pathway for ZenGUARD Graphene Air FiltersMay 13, 2026 | tipranks.comZentek Wins Health Canada Clearance and Opens Canadian Orders for ZenGUARD Air FiltersMay 6, 2026 | tipranks.comZentek Taps ICP Securities for Algorithmic Market-Making to Boost LiquidityApril 1, 2026 | tipranks.comZentek Wins Favorable Court Ruling, Clearing $6 Million in ClaimsMarch 13, 2026 | tipranks.comAmid a defence boom, Zentek takes a fresh look at its Hearst-area graphite depositMarch 10, 2026 | sudbury.comSZentek Ltd.: Zentek Outlines Government Engagement Strategy and Announces Plans to Advance Albany Graphite Toward New Preliminary Economic AssessmentFebruary 26, 2026 | finanznachrichten.deZentek Unveils Strategic Reset, Concentrates on Three Core PlatformsJanuary 29, 2026 | tipranks.comZentek’s Albany graphite achieves nuclear-grade performance, targeting high-value specialty marketsJanuary 6, 2026 | msn.comZentek (CVE:ZEN) Director Mohammed Jiwan Purchases 11,000 Shares of StockJanuary 1, 2026 | insidertrades.comZentek’s Albany Graphite Achieves Breakthrough Lithium-Ion Battery PerformanceDecember 17, 2025 | tipranks.comZentek appoints Mohammed Jiwan CEONovember 25, 2025 | msn.comZentek Ltd.: Zentek Announces Appointment of Mohammed Jiwan as Chief Executive OfficerNovember 25, 2025 | finanznachrichten.deNew MarketBeat Followers Over TimeMedia Sentiment Over Time Top HeadlinesView All Headlines5 Tech Stocks to Buy on the July PullbackBy Thomas Hughes | June 29, 2026The Oil Trade May Not Be Over: 3 Energy Stocks to WatchBy Thomas Hughes | June 21, 2026SK Hynix’s Nasdaq Listing Could Reset the AI Memory TradeBy Thomas Hughes | July 7, 2026Frozen Assets: How Super Micro Puts AI Heat on IceBy Jeffrey Neal Johnson | June 24, 2026The Phase 3 Failure That Sent Biotech Winners and Losers in Opposite DirectionsBy Jeffrey Neal Johnson | July 13, 2026UOG, JOG, ZEN, and STAR Company DescriptionsFive Star Diamonds CVE:STARC$0.02 +0.01 (+33.33%) As of 06/11/2020Five Star Diamonds Limited engages in the exploration and development of diamond projects in Brazil. The company controls a position in the Brazilian kimberlite diamond sector owning 23 diamond projects comprising an aggregate of 50 exploration licenses and applications across 130,355 hectares. It conducts exploration programs on seven projects with the Catalao, Maravilha, Riachao, Jaibaras, and Verissimo projects. The company is based in Toronto, Canada.Zentek CVE:ZENC$0.65 -0.03 (-4.41%) As of 03:59 PM EasternZentek Ltd., together with its subsidiaries, engages in the research and development of graphene and related nanomaterials in Canada. The company develops graphene-based antimicrobial coating under the ZenGUARD brand, surgical masks, HVAC filters, personal protective equipment, rapid detection point of care diagnostics tests, and pharmaceutical products based on graphene-based compounds. It is also developing graphene oxide synthesis and graphene synthesis. In addition, the company owns 100% interest in the Albany graphite project located in Northern Ontario, Canada. The company was formerly known as ZEN Graphene Solutions Ltd. and changed its name to Zentek Ltd. in October 2021. Zentek Ltd. was incorporated in 2008 and is headquartered in Guelph, Canada. 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