52 week highs $20+ stocks Symbol Last % Change Volume ROP $496.40 +3.08% 77.4K PKX $106.49 +9.93% 149.2K ARGX $541.80 +1.28% 48.2K ALV $99.76 +6.96% 299.9K CTAS $512.70 +1.11% 34.0K