Telstra is investigating a secondary network fault affecting Triple Zero callers since yesterday's outage.The Australian share market is set to open lower in morning trading, following a mixed result on Wall St.Meanwhile, the price of oil is surging, as US President Donald Trump declared the ceasefire with Iran was over, and launched another wave of strikes on the country.Follow the day's financial news and insights from our specialist business reporters on our live blog.Disclaimer: This blog is not intended as investment advice.PinnedKey EventThu 9 Jul 2026 at 7:32amThu 9 Jul 2026 at 7:32amMarket snapshotBy Adelaide MillerASX 200 Futures: -0.6% to 8,706 points Australian dollar: -0.03% to 69.26 US cents Wall Street: Dow Jones (-1.1%), S&P 500 (-0.3%), Nasdaq Composite (+0.3%)Europe: FTSE (-1.7%), Stoxx 600 (-1.6%), DAX (-2.2%)Spot gold: -0.7% to $US4,076/ounce Oil (Brent crude): +7.3% to $US79.40/barrel Iron ore: +1.4% to $US99.25/tonneBitcoin: +0.02% to $US62,084Prices current around 7:30am AEST:Collapse all postsFilter PostsAll6Key Events6Market snapshot1Emergency updates1Key EventThu 9 Jul 2026 at 8:05amThu 9 Jul 2026 at 8:05amSoftware updates can increase risk of telco problems, according to expertBy Adelaide MillerWhat a massive day yesterday was, as Telstra experienced widespread network outages, impacting mobile and data connectivity, payment systems, and external telecommunication issues on regional rail networks in Victoria and New South Wales.According to the telco's CFO Michael Ackland, the outage was caused by a software defect. On The Business last night, Alicia Barry interviewed independent telecommunications analyst Paul Budde, who says as software and tech updates (like cloud-based networks) increase and become more complex, so too does the risk of something going wrong.You can catch up on the interview below:Key EventThu 9 Jul 2026 at 7:56amThu 9 Jul 2026 at 7:56amTelstra experiencing ongoing 'secondary problem'By Adelaide MillerAccording to Telstra's website, the telecommunication is still experiencing a "secondary issue".Telstra posted this statement to its website last night:"While we've restored the issue that caused today's outage, we've identified a secondary issue impacting some calls, including Triple Zero."In these cases, when you call Triple Zero you will receive an error message and your phone will try to connect to an alternative mobile network."As part of our back-up process, we will complete a welfare check where we detect a failed Triple Zero call."We're working urgently to resolve this issue."The Business Team is gathering information about this secondary problem. As we learn more, we will keep you updated.Key EventThu 9 Jul 2026 at 7:50amThu 9 Jul 2026 at 7:50amICYMI: Wednesday Finance with Alan KohlerBy Adelaide MillerTelstra's share price fell yesterday after the network outage, and the oil price jumped after the US launched retaliatory strikes against Iran.Alan Kohler has the details.Key EventThu 9 Jul 2026 at 7:37amThu 9 Jul 2026 at 7:37amHas your business been affected by the Telstra outage?By Adelaide MillerAre you a business owner who has been impacted by Telstra's network outage? We are keen to hear from you.Business reporter Nassim Khadem is gathering for this angle and wanting to hear from business owners directly.If you want to share your experience with her, send her an email at: khadem.nassim@abc.net.auKey EventThu 9 Jul 2026 at 7:28amThu 9 Jul 2026 at 7:28amASX to open in the redBy Adelaide MillerGood morning, everyone,I hope you're all doing OK after what was a stressful day for many yesterday when it comes to telecommunications.Business reporter Adelaide Miller here to guide you through the morning of business, finance and economics news.To start with, the ASX 200 is set to open lower in morning trading, with Futures pointing down -0.6% to 8,706 points.The Aussie dollar is trading at about 69 US cents.We will have more updates for you shortly.