symbol,asOfDate,PeRatio,PegRatio,PsRatio,PbRatio NSC,2022-03-31,23.552436,2.3852,6.351022,4.9833 NSC,2022-06-30,18.359451,1.8701,4.877041,3.965859 NSC,2022-09-02,19.079745,1.7945,4.876316,4.272151 NSC,2022-09-05,,,, NSC,2022-09-30,16.718501,1.598,4.27284,3.689901 NSC,2022-12-31,18.159175,2.0903,4.759435,4.380354 NSC,2023-03-31,15.273775,2.734,3.918964,4.128263 NSC,2023-04-26,14.482709,2.5924,3.715992,3.593639 NSC,2023-04-27,,,,