Billionaire Oliver Curtis and his Firmus co-founders may not go ahead with an IPO planned for October 23 after investor interest waned. Plus, talkback tumbles in the latest radio ratings and 170 jobs axed by Penfolds winemaker.&nbsp; Read more:&nbsp; <a href="https://www.theaustralian.com.au/business/companies/firmus-technologies-faces-8bn-valuation-slash-for-mega-asx-float-amid-weak-demand/news-story/bad897a94836c23950ed9ee964d33417">Oliver Curtis&rsquo; ASX float in chaos as Firmus slashes share valuation</a> <a href="https://www.theaustralian.com.au/business/dataroom/firmus-goes-cap-in-hand-to-nvidia-for-more-funds-to-keep-ipo-alive-sources/news-story/d7e5a61b6770d92b510a8b6c4dfdcee5">Oliver Curtis-led Firmus poised to shelve float following market pushback</a> <a href="https://www.theaustralian.com.au/business/media/talkback-tumbles-in-radio-ratings-as-audiences-opt-for-easylistening/news-story/2a21701471642ffff416d343f29c3fa0">Talkback tumbles in radio ratings as audiences opt for easy-listening</a> <a href="https://www.theaustralian.com.au/business/companies/treasury-wine-estates-makes-170-roles-redundant-as-part-of-restructure/news-story/311dd3efb0d713307d1e54397bf98d0e">Treasury Wine Estates makes 170 roles redundant as part of restructure</a>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

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