Explore how Melbourne-based AI company Heidi is transforming healthcare with a $65 million funding round, and discover OpenAI's latest move into personalized AI with the acquisition of fintech startup Roi. Plus, insights into China's challenge to Nvidia's chip dominance and Rumble's strategic partnership with AI firm Perplexity.

Sources:

https://www.voiceofalexandria.com/news/national_business_news/heidi-secures-65-million-usd-in-series-b-funding-to-accelerate-building-an-ai-care/article_5962e7b2-9752-538a-83aa-f46fe8b90e58.html

https://analyticsindiamag.com/ai-news-updates/openai-acquires-financial-ai-startup-roi-to-personalise-investing/

https://www.bbc.com/news/articles/cgmz2vm3yv8o

https://stockstotrade.com/news/rumbleinc-rum-news-2025_10_05-2/