A smartphone with a displayed NVIDIA logo is placed on a computer motherboard in this illustration taken March 6, 2023. REUTERS/Dado Ruvic/Illustration Purchase Licensing Rights, opens new tabCompaniesOct 30 (Reuters) - Nvidia (NVDA.O), opens new tab will invest up to $1 billion in AI company Poolside, in a deal that would quadruple the startup's valuation, Bloomberg News reported on Thursday, citing people familiar with the matter.Poolside is in discussions to raise $2 billion at a pre-money $1...