Workday Pops In IPO Debut

Pleasanton-based Workday popped in its initial public offering debut this morning, trading as high as $49.23 in morning trading, after pricing above estimates at $28.00 per share, well above a raised $24 to $26 IPO estimated range. The firm's IPO is the largest since the flopped IPO for Facebook. Workday develops human resources management software, and is venture backed by Greylock Partners and New Enterprise Associates.