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BlackBerry shares surge 19% after $815 million reward from Qualcomm

  • Reward represents one-fifth of Blackberry's market value.
  • Qualcomm shares declined after news of the verdict hit.
John Chen, CEO, Blackberry
Brendan McDermid | Reuters
John Chen, CEO, Blackberry

BlackBerry shares surged on Wednesday after the company said it was rewarded a preliminary $814.9 million in arbitration against Qualcomm for royalty overpayments.

The figure is about 20 percent of BlackBerry's U.S. market capitalization. The Canadian company's U.S.-traded shares jumped more than 19 percent in premarket trade on the news, before closing up over 15 percent on Wednesday.

BlackBerry extended-hours trade

Source: FactSet

Shares of Qualcomm closed down over 3 percent. The chipmaker did not immediately respond to a CNBC request for comment.

"BlackBerry and Qualcomm have a longstanding relationship and continue to be valued technology partners," BlackBerry CEO John Chen said in a statement.

As of Wednesday's close, Qualcomm shares are 18 percent lower year to date, while BlackBerry is up more than 29 percent.