HP sues ex-CEO Hurd after his hiring at Oracle

SAN FRANCISCO, Sept 7 (Reuters) - Hewlett-Packard Co (HPQ.N) is suing former Chief Executive Mark Hurd following his hiring by rival technology firm Oracle Corp (ORCL.O), court documents showed.

Oracle, the world's third-largest software maker, announced Hurd's hiring on Monday, a month after he resigned from HP over expense account irregularities related to a female contractor.

Shares of HP fell 0.6 percent to $40.10 on the New York Stock Exchange. Shares of Oracle rose 5.5 percent to $24.18. (Reporting by Gabriel Madway; editing by John Wallace)