Weitz Investment Management Inc. grew its stake in shares of ACI Worldwide, Inc. (NASDAQ:ACIW – Free Report) by 30.5% in the fourth quarter, HoldingsChannel.com reports. The firm owned 372,000 shares of the technology company’s stock after purchasing an additional 87,000 shares during the period. Weitz Investment Management Inc.’s holdings in ACI Worldwide were worth $11,383,000 […]