Click to view a price quote on EFII. : Electronics For Imaging (EFII - Get Report)  reached a deal to be acquired by Siris Capital Group for $1.7 billion. Siris Capital, a technology-focused private equity fund, will pay $37 a share in cash, a 25.8% premium over Electronics For Imaging's closing price Friday of $29.40, but a roughly 45% premium over the average stock price of over the last 90 days.