Nvidia logo is seen in this illustration taken June 11, 2026. REUTERS/Dado Ruvic/Illustration/File Photo Purchase Licensing Rights, opens new tabCompaniesAug 14 (Reuters) - Nvidia (NVDA.O), opens new tab has revised its plans to support a proposed OpenAI data center project in Ohio ​and is now expected to initially guarantee less ‌than $120 billion, down from the $250 billion previously discussed, the Wall Street Journal reported on Friday, citing people familiar with the matter. Sign up here.T...