Qualcomm requests national security review of Broadcom bid

US chipmaker Qualcomm postponed its annual shareholders' meeting after secretly requesting a national security review of Broadcom's bid to take over the company, the Singapore-based Broadcom announced Monday.Qualcomm shareholders were due to meet Tuesday, but Broadcom said it was informed Sunday night that Qualcomm secretly filed a voluntary request on January 29 for US regulators to investigate the deal, and was ordered to postpone the meeting for 30 days."It should be clear to everyone that th