Check out the companies making headlines after the bell:
Equifax's stock fell more than 6 percent during extended trading after the credit reporting firm announced a cybersecurity incident could have potentially affected 143 million consumers in the U.S. The compromised data includes names, birth dates, social security numbers, addresses and potentially drivers licenses.
Shares of Finisar fell more than 6 percent after hours after the company posted weak second-quarter guidance for revenue and per-share earnings.
Real estate company Redfin matched earnings expectations and just beat revenue estimates, and its stock price rose 3.7 percent after hours. The company gave strong third quarter revenue guidance, as well.
Cloudera shares rose 2.6 percent during extended trading after its top and bottom lines exceeded Wall Street estimates.