Check out the companies making headlines after the bell:
Tenet Healthcare shares jumped more than 12 percent in extended trading after The Wall Street Journal reported the company is exploring its options, including a possible sale. Tenet has hired banking advisers to consider a number of possibilities, according to the report.
United Natural Foods shares rose more than 5 percent after hours after the company offered strong guidance for its current fiscal year.
Shares of Equifax fell nearly 2 percent after hours as the credit-reporting company continued to deal with the aftermath of the massive data breach it revealed last week.