NIO’s Sharp Selloff Surges $1.35B in Volume to 62nd U.S. Rank as Production Delays and Weak Demand Spook Investors

, , . . The sharp selloff followed reports of production delays at its Shanghai factory and weaker-than-expected demand for its new ET5T model, despite a recent price cut. Analysts noted the sell-off was exacerbated by broader market volatility and a lack of clarity on the company's battery-swapping infrastructure expansion plans.

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To run this back-test I need to pull two data series for every U.S.-listed common stock from 2022-01-01 through today: Daily trading volume – to rank the universe and select the top 500 names each day; Daily adjusted close – to measure next-day price change while the position is held. Unless you prefer a different market (e.g., non-U.S. or a specific exchange), I’ll proceed with the full U.S. common-stock universe.