U.S. stocks opened higher, with the Dow up 0.3%, the S&P 500 up 0.4%, and the Nasdaq up 0.3%. Moderna (MRNA.US) surged 90% after announcing, together with Merck (MRK.US), successful phase III trials of an mRNA cancer vaccine, marking a historic breakthrough in melanoma treatment, with Merck (MRK.US) rising 8.4%. Marvell Technology (MRVL.US) climbed 9.7% after granting Google warrants to purchase up to 58.97 million shares. SK Hynix (SKHY.US) rose 4.2% as the company plans to buy back and cancel

智通财经2026/08/19 13:41

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