Online discount retailer Overstock.com Inc. OSTK, -0.35% said Friday it has named Gregory Iverson as chief financial officer, replacing Robert Hughes, who is retiring. Iverson is the former CFO for Apollo Education Group INc., a for-profit education company. Iverson will take on the role on April 16. Shares were down 1.5% premarket and have fallen 44% in the year so far, while the S&P 500 SPX, +0.69% has fallen 0.4%.