--- title: "Dow Jones Top Financial Services Headlines at 12 AM ET: The Mysterious Crypto Judges Who Settle Polymarket Disputes | Suspicious ..." type: "News" locale: "en" url: "https://longbridge.com/en/news/286712647.md" description: "Key financial headlines include regulators probing suspicious betting in Washington, BlackRock's TCPC fund facing scrutiny, and Powell serving as interim Fed leader. Berkshire Hathaway invests in Delta while exiting positions in major companies. New laws in California and Oregon target private equity in healthcare. Vanguard is likened to Costco for its low fees, and Zcash gains popularity among crypto enthusiasts. Hana Bank plans a $670 million investment in crypto exchange Dunamu." datetime: "2026-05-18T04:20:31.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286712647.md) - [en](https://longbridge.com/en/news/286712647.md) - [zh-HK](https://longbridge.com/zh-HK/news/286712647.md) --- # Dow Jones Top Financial Services Headlines at 12 AM ET: The Mysterious Crypto Judges Who Settle Polymarket Disputes | Suspicious ... The Mysterious Crypto Judges Who Settle Polymarket Disputes A fight over the Hezbollah cease-fire highlights unease over the prediction market's arbitration system. \---- Suspicious Betting in Washington Is on the Rise-and Authorities Are Playing Catch-Up Regulators are seeking information from Kalshi and Polymarket over wagers tied to political events and military operations. \---- Federal Prosecutors Probe BlackRock Private-Credit Fund A publicly traded BlackRock fund known as TCPC has been marred by write-downs and poor performance. \---- Powell Named as Interim Fed Leader Pending Swearing-In of Warsh The Federal Reserve said that outgoing Chair Jerome Powell would remain as its acting leader until Kevin Warsh, who was confirmed to a four-year term by the Senate this week, could be sworn in. \---- Berkshire Invests in Delta Again During Abel's First Quarter as CEO The company exited positions in Amazon, Mastercard, Visa and UnitedHealth, among many others. \---- New State Laws to Bar Private Equity From Medicine Start to Show Their Teeth California and Oregon have begun trying to punish healthcare investors that encroach on medical care. \---- Vanguard Is the Costco of Finance, According to the Hosts of 'Acquired' The financial behemoth was set up to offer lower fees and its approach has driven other fund firms to cut their fees. \---- So You Think You Own Shares in a Hot Startup? Anthropic Says Not So Fast. The AI giant rattled users of secondary-share platforms, which bring investing in hot private companies to the masses. \---- It's a More Secret Version of Bitcoin and It's on a Tear With many crypto fans souring on bitcoin, some are getting behind Zcash, a privacy token that lets users shield transaction details and remain anonymous. \---- Financial Services Roundup: Market Talk Find insight on Onex, Hiscox, Blackstone, CD&R and more in the latest Market Talks covering Financial Services. \---- Hana Bank to Buy $670 Million Stake in Crypto Exchange Operator Dunamu Hana Bank will buy a roughly $670 million stake in crypto-exchange operator Dunamu, marking the largest single investment by a South Korean bank in digital-asset entities. \---- Interactive Brokers Expands Prediction-Market Offerings Users will be able to trade contacts related to elections or the economy, but not sports. (END) Dow Jones Newswires May 18, 2026 00:15 ET (04:15 GMT) Copyright (c) 2026 Dow Jones & Company, Inc. ### Related Stocks - [RIOT.US](https://longbridge.com/en/quote/RIOT.US.md) - [BTDR.US](https://longbridge.com/en/quote/BTDR.US.md) - [BRK.B.US](https://longbridge.com/en/quote/BRK.B.US.md) - [COIN.US](https://longbridge.com/en/quote/COIN.US.md) - [BRK.A.US](https://longbridge.com/en/quote/BRK.A.US.md) - [GBTC.US](https://longbridge.com/en/quote/GBTC.US.md) - [SQ.US](https://longbridge.com/en/quote/SQ.US.md) - [BLK.US](https://longbridge.com/en/quote/BLK.US.md) - [TCPC.US](https://longbridge.com/en/quote/TCPC.US.md) - [HODL.US](https://longbridge.com/en/quote/HODL.US.md) - [VFH.US](https://longbridge.com/en/quote/VFH.US.md) - [ARKB.US](https://longbridge.com/en/quote/ARKB.US.md) - [EZBC.US](https://longbridge.com/en/quote/EZBC.US.md) - [BITO.US](https://longbridge.com/en/quote/BITO.US.md) - [BTCW.US](https://longbridge.com/en/quote/BTCW.US.md) - [BITB.US](https://longbridge.com/en/quote/BITB.US.md) - [AMZN.US](https://longbridge.com/en/quote/AMZN.US.md) - [MA.US](https://longbridge.com/en/quote/MA.US.md) - [V.US](https://longbridge.com/en/quote/V.US.md) - [UNH.US](https://longbridge.com/en/quote/UNH.US.md) - [BX.US](https://longbridge.com/en/quote/BX.US.md) - [IBKR.US](https://longbridge.com/en/quote/IBKR.US.md) - [BTX.US](https://longbridge.com/en/quote/BTX.US.md) - [BIT.RT*.US](https://longbridge.com/en/quote/BIT.RT*.US.md) - [BDJ.US](https://longbridge.com/en/quote/BDJ.US.md) - [BSTZ.US](https://longbridge.com/en/quote/BSTZ.US.md) - [BIT.RT.US](https://longbridge.com/en/quote/BIT.RT.US.md) ## Related News & Research - [Robinhood's (HOOD) Crypto Revenue Collapsed. 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