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- Sergey Brin was subpoenaed in a lawsuit involving JPMorgan, The Wall Street Journal reported.
- It wasn't immediately clear why information was being sought from him and three other billionaires.
- The US Virgin Islands is suing JPMorgan over its connections with the sex offender Jeffrey Epstein.
Google co-founder Sergey Brin is one of four billionaires subpoenaed in a civil lawsuit about JPMorgan's links with Jeffrey Epstein, The Wall Street Journal reported Friday.