PRE-MARKET AUSTRALIAN, JAPANESE & SOUTH KOREAN STOCK NEWS: Rio Tinto and SK Hynix earnings

AUSTRALIADexus (DXS AT) - Co. agreed to sell three Sydney and Brisbane office towers to Investa for AUD 715mln in one of the year's largest property transactions. (The Australian)Mineral Resources (MIN AT) - Co. said FY26 Mining Services volumes rose 22% Y/Y to 341mln tonnes, while Onslow Iron shipments were 19.7mln tonnes. (Dow Jones Newsplus)Northern Star Resources (NST AT) - Co. said FY26 all-in sustaining cost was AUD 2,698/oz, mine operating cash flow was AUD 3.325bln, net mine cash flow was AUD 1.18bln, cash and bullion at June 30 totalled AUD 1.235bln, expects FY26 cash earnings of AUD 2.86bln-AUD 2.95bln, intends to provide FY27 guidance on August 20 and does not expect to provide FY28-FY29 guidance this calendar year. (Dow Jones Newsplus)Perpetual (PPT AT) - Co. rejected the latest takeover bid from EQT and will seek an improved offer, said assets under management rose 2.3% over the June quarter to AUD 224.4bln, reported Q4 outflows of AUD 12.3bln, expects FY26 expense growth at the lower end of 1%-2% guidance, expects AUD 62mln-AUD 68mln of 2H pre-tax significant items, is undertaking impairment testing of goodwill and intangible assets, is progressing towards meeting conditions for the sale of its wealth-management business and expects AUD 30mln of post-tax transaction and separation costs. (Newswires)Ramelius Resources (RMS AT) - Co. said Q4 all-in sustaining cost was AUD 1,973/oz, FY all-in sustaining cost was AUD 1,983/oz, FY underlying free cash flow was AUD 393.3mln, cash at June 30 totalled AUD 649.6mln, FY27 guidance and FY30 outlook will be provided in the September quarter, Penny mine will extend into the December quarter, Cue has potential for significant extensions at Lena and Galaxy mine has modelled down-dip extensions beyond FY30. (Dow Jones Newsplus)Rio Tinto (RIO AT) - Co. H1 (USD) net rose 47% Y/Y to 6.66bln, EBITDA rose 28% Y/Y to 14.83bln, rev. rose 15% Y/Y to 31.03bln, dividend USD 2.11/shr (prev. USD 1.48/shr), lowered 2026 effective tax rate guidance to about 25% from about 30%. (Dow Jones Newsplus)Vault Minerals (VAU AT) - Co. said quarterly gold production was 89,338oz, gold sales were 87,922oz at an average realised price of AUD 6,311/oz, all-in sustaining cost was AUD 2,968/oz and underlying free cash flow was AUD 219.2mln; FY26 gold production was 336,540oz, gold sales were 334,901oz at an average realised price of AUD 5,557/oz and all-in sustaining cost was AUD 2,924/oz. (Motley Fool)West African Resources (WAF AT) - Co. said Q2 gold output was 125,179oz, gold sales were 110,737oz, all-in sustaining cost was USD 1,730/oz, realised gold price was USD 4,556/oz, cash flow from operating activities was AUD 249mln and cash plus unsold bullion at June 30 totalled AUD 1.123bln. (Dow Jones Newsplus)Broker Ratings/Price Target IGO (IGO AT) - Jefferies cut price target by 6.7% to AUD 7.00/shr.  Viva Energy (VEA AT) - Jefferies raised price target by 7.0% to AUD 2.30/shr.  Whitehaven Coal (WHC AT) - Jefferies cut price target by 5.6% to AUD 8.50/shr. JAPANDaito Trust Construction (1878 JT) - Co. expanded into Texas to renovate and resell single-family homes in the Dallas area, targeting primarily Japanese investors. (Nikkei)Fujifilm Holdings (4901 JT) - Co. evacuated a plant after a magnitude-7.1 earthquake struck Kumamoto. (Nikkei)Seven Bank (8410 JT) - Co. plans to provide retailers with banking-as-a-service offerings to help them deliver consumer financial services and capture customer data. (Nikkei)Sony Group (6758 JT) - Co. evacuated a plant after a magnitude-7.1 earthquake struck Kumamoto. (Nikkei)Toei (9605 JT) - Co. is re-entering the US market with simultaneous content releases and strategies leveraging the growth of streaming services. (Nikkei)Toho (9602 JT) - Co. is re-entering the US market with simultaneous content releases and strategies leveraging the growth of streaming services. (Nikkei)Toyota Motor (7203 JT) - Co. is accelerating succession planning as it seeks to address mounting challenges across the auto industry. (Nikkei)SOUTH KOREAHanmi Science (008930 KS) - Co. Q2 (KRW) net rose 54.2% Y/Y to 43.7bln, EBIT rose 70.8% Y/Y to 59.1bln, rev. rose 8.7% Y/Y to 367.9bln. (Yonhap)SK Hynix (000660 KS) - Co. Q2 (KRW) net 93.8tln (exp. 54.5tln), EBIT 60.5tln (exp. 64.2tln), rev. 79.0tln (exp. 84.0tln). (Newswires)