A big mover after hours was Tenet Healthcare Corp (NYSE:THC), which jumped 10.47% to $17.94, as it reported it was exploring future options for the group, including a possible sale.
The firm has reportedly hired banking advisers to consider a number of possibilities.
Elsewhere, United Natural Foods Inc (NASDAQ:UNFI) added 6.15% to $39.50 as it reported its fourth quarter earnings and gave a promising outlook for the full year.
EPS (earnings per share) came in at $0.76 but the firm impressively sees full year fiscal 2018 earnings per share of about between $2.67 and $2.77 a share.
Meanwhile, Lattice Semiconductor Corp (NASDAQ:LSCC) saw shares add 0.87% to $5.77 after the New York bell, but they had earlier declined 1.6%.
It came after the President Trump administration blocked the purchase of a US semiconductor company by a Chinese investment firm, citing national security concerns.
Finally, Equifax Inc (NYSE:EFX) saw shares lose 2.66% to $96.36 afer the credit score group, continues to deal with the wakle of the massive data breach it revealed last week.