Check out the companies making headlines before the bell on Thursday. Quantum computing stocks — Quantum computing shares jumped on a Wall Street Journal report that U.S. President Donald Trump's administration is in talks to acquire equity stakes in several quantum computing firms. Rigetti Computing is up 8%, while IonQ and Quantum Computing rose nearly 9%. Las Vegas Sands — Shares rose 6% after the resort owner posted strong third-quarter earnings results, largely due to the growth of its Macao and Singapore investments. The company reported $419 million in profit and adjusted earnings of 78 cents per share for the quarter, topping analysts' estimates. Hilton Grand Vacations — The stock is up 5% after the global timeshare company's partners, including Travel + Leisure Co. , reported stro

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