| Show Rails Lead Market Gain For 3rd Straight v High NEW NE YORK July 31 W The ji-The The i iStock I IStock Stock Exchange advanced Thursday Thursday Thurs Thurs- day with the railroads assuming 1 I 1 leadership C a 1 i p pit It I is the third straight new high for the market market Price changes cither either way were fr fractional with wih the exception of oC ofa oCa a few issues that gained between one and two points Business held up well wel at an estimated shares as compared corn com p pared red with wih shares traded Wednesday Both noth modestly above above the daily daiy a d' d age so far this year |