--- title: "UnitedHealth, Regeneron Pharmaceuticals And Other Big Stocks Moving Lower In Monday's Pre-Market Session" type: "News" locale: "en" url: "https://longbridge.com/en/news/286767898.md" description: "U.S. stock futures fell this morning, with Nasdaq futures down about 100 points. UnitedHealth Group shares dropped 4.6% to $375.51 after Berkshire Hathaway fully diluted its position. Other notable declines include Regeneron Pharmaceuticals down 10.5% to $625.00 and Amtech Systems down 14.6% to $18.00 in pre-market trading." datetime: "2026-05-18T12:02:08.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286767898.md) - [en](https://longbridge.com/en/news/286767898.md) - [zh-HK](https://longbridge.com/zh-HK/news/286767898.md) --- # UnitedHealth, Regeneron Pharmaceuticals And Other Big Stocks Moving Lower In Monday's Pre-Market Session U.S. stock futures were lower this morning, with the Nasdaq futures falling around 100 points on Monday. Shares of **UnitedHealth Group Inc** (NYSE:UNH) fell 4.6% to $375.51 in pre-market trading after **Berkshire Hathaway Inc**. (NYSE:BRK) (NYSE:BRK) under the new Greg Abel, completely diluted its position in the company. UnitedHealth Group shares dipped 4.6% to $375.51 in pre-market trading. Here are some other stocks moving lower in pre-market trading. - **Amtech Systems Inc** (NASDAQ:ASYS) declined 14.6% to $18.00 in pre-market trading. - **Regeneron Pharmaceuticals Inc** (NASDAQ:REGN) dipped 10.5% to $625.00 in pre-market trading after its Phase 3 trials for metastatic melanoma did not achieve statistical significance.. - **Li Auto Inc** (NASDAQ:LI) fell 9.5% to $16.74 in pre-market trading after declining 4% on Friday. - **Icahn Enterprises LP** (NASDAQ:IEP) fell 7.2% to $7.60 in pre-market trading. - **Onterris Inc** (NYSE:ONT) declined 6.7% to $14.29 in pre-market trading. - **Source Capital In**c (NYSE:SOR) fell 6.6% to $42.39 in pre-market trading. - **CapsoVision Inc** (NASDAQ:CV) slipped 6.1% to $6.06 in pre-market trading. CapsoVision shares fell 12% on Friday after the company reported worse-than-expected first-quarter financial results. - J**BS NV** (NYSE:JBS) declined 6.1% to $12.66 in pre-market trading. - **Zai Lab Ltd – ADR** (NASDAQ:ZLAB) fell 5.5% to $19.44 in pre-market trading. - **Argo Blockchain plc** (NASDAQ:ARBK) declined 5.2% to $3.9261 in pre-market trading. - **Strategy Inc** (NASDAQ:MSTR) fell 4.2% to $170.00 in pre-market trading after it announced on Friday that it will repurchase $1.5 billion of convertible debt and listed Bitcoin (CRYPTO: BTC) sales as a potential funding source. _Photo via Shutterstock_ ### Related Stocks - [UNH.US](https://longbridge.com/en/quote/UNH.US.md) - [REGN.US](https://longbridge.com/en/quote/REGN.US.md) - [IHE.US](https://longbridge.com/en/quote/IHE.US.md) - [UNHG.US](https://longbridge.com/en/quote/UNHG.US.md) - [.IXIC.US](https://longbridge.com/en/quote/.IXIC.US.md) - [BRK.A.US](https://longbridge.com/en/quote/BRK.A.US.md) - [BRK.B.US](https://longbridge.com/en/quote/BRK.B.US.md) - [ASYS.US](https://longbridge.com/en/quote/ASYS.US.md) - [LI.US](https://longbridge.com/en/quote/LI.US.md) - [02015.HK](https://longbridge.com/en/quote/02015.HK.md) - [IEP.US](https://longbridge.com/en/quote/IEP.US.md) - [ONT.US](https://longbridge.com/en/quote/ONT.US.md) - [SOR.US](https://longbridge.com/en/quote/SOR.US.md) - [CV.US](https://longbridge.com/en/quote/CV.US.md) - [JBS.US](https://longbridge.com/en/quote/JBS.US.md) - [ZLAB.US](https://longbridge.com/en/quote/ZLAB.US.md) - [09688.HK](https://longbridge.com/en/quote/09688.HK.md) - [ARBK.US](https://longbridge.com/en/quote/ARBK.US.md) - [MSTR.US](https://longbridge.com/en/quote/MSTR.US.md) - [JBSAY.US](https://longbridge.com/en/quote/JBSAY.US.md) - [ARBKL.US](https://longbridge.com/en/quote/ARBKL.US.md) - [ARBKF.US](https://longbridge.com/en/quote/ARBKF.US.md) - [STRF.US](https://longbridge.com/en/quote/STRF.US.md) - [STRC.US](https://longbridge.com/en/quote/STRC.US.md) - [STRK.US](https://longbridge.com/en/quote/STRK.US.md) - [STRD.US](https://longbridge.com/en/quote/STRD.US.md) ## Related News & Research - [Regeneron Sinks 10% on Failed Phase 3 Melanoma Trial. What Comes Next for REGN Stock.](https://longbridge.com/en/news/286811938.md) - [Stephens Inc. AR Purchases 9,617 Shares of UnitedHealth Group Incorporated $UNH](https://longbridge.com/en/news/286668330.md) - [Regeneron Announces Strategic Collaboration With Parabilis Medicines To Advance Novel Antibody-Helicon Conjugates Across Multiple Therapeutic Areas](https://longbridge.com/en/news/286759146.md) - [Regeneron signs $2.32bn deal with Parabilis for Helicon conjugates](https://longbridge.com/en/news/286890035.md) - [Zacks Research Issues Optimistic Estimate for UNH Earnings](https://longbridge.com/en/news/286908689.md)