Amid upheaval, SF tech startup closes whopping $6.6 billion fundraise SFGATEOpenAI Completes Deal That Values Company at $157 Billion The New York TimesOpenAI Raises $6.6 Billion at $157 Billion Valuation BloombergOpenAI Nearly Doubles Valuation to $157 Billion in Funding Round The Wall Street JournalOpinion: OpenAI is now worth more than 87% of S&P 500 companies. It faces a tough test ahead. MarketWatch