Stocks making the biggest moves premarket: MRVL, AFRM, HE

Marvell Technology GroupSource: marvell.comCheck out the companies making headlines before the bell.Marvell Technology — Shares fell more than 3% before the bell despite the company topping Wall Street's expectations for the recent quarter. Marvell posted earnings of 33 cents per share, excluding items, on $1.34 billion in revenue. Analysts...

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Stocks making the biggest moves in the premarket: NVDA, BA, SPLK

Jen-Hsun Huang, CEO, Nvidia.David Paul Morris | Bloomberg | Getty ImagesCheck out the companies making headlines in the premarket.Nvidia — The chipmaker popped 7% after reporting another blowout quarter that topped Wall Street's estimates. Nvidia also offered optimistic guidance, saying sales will jump 170% during the current period as...

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Stocks making biggest moves after hours: Discover, Lennar, Getty

A Discover Financial Services credit card.Scott Eelis | Bloomberg | Getty ImagesCheck out the companies making headlines after the bell.Discover Financial Services — The financial services stock fell more than 5% after announcing the resignation of its CEO. The board announced that Roger Hochschild would step down from the position,...

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