Lawyers for Arm Holdings and Qualcomm are set to make closing arguments on Friday in a case that could upend Qualcomm's push into the PC market with a chip meant to rival Apple and Intel on speed. An eight-person jury in a U.

Qualcomm Inc.’s chief executive officer told a jury that its business suffered when customers were misled by computer-chip designer Arm Holdings Plc about the companies’ licensing agreement for chip technology vital to the electronics ecosystem.

A legal battle between two of the world's biggest chip companies, Arm and Qualcomm, is heading to trial this week.