Value stocks continue to outperform in most regions, according to Citi’s monthly Popular Investment Screens report, but it is becoming more and more difficult to actually find value stocks in developed markets to invest in. “The more value-focused showed the best performance and outperformed in most regions. The Quality screens saw negative returns in the US and Japan, but returned a better performance in Europe,” write Citi analysts Georgios Oikonomou and Andrew Lapthorne. “One concern going forward is the decrease in the number of companies that pass our screens. We can now only find 17 deep value and 21 quality…