On this episode of stock movers:

• NIO (NIO) shares rise after the EV-maker reported deliveries for December that showed 33% growth month-over-month.
• RH (RH) shares rise after President Donald Trump delayed tariff increases on upholstered furniture, kitchen cabinets and vanities.
• Vertiv (VR) shares also gain as Barclays upgrades the power equipment company to overweight from equal-weight, saying its shares currently offer a good entry point following recent volatility. 

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