YPF Sociedad Anónima(NYSE:YPF): Oil and gas prices have been rising amid the tight supply situation, benefiting the producers. Moreover, the energy sector is known to have historically performed well amid an inflationary environment. Hence, we think oil and stocks YPF Sociedad Anónima (YPF), Gran Tierra (GTE), and Adams Resources & Energy (AE), which still look undervalued at their current price, could be ideal buys now.