Show Rush of T wad ng Erase Ercse fT Early Eady N. N Yo Y Mart Gain NEW V YORK March 27 W A 1 A Arut rut rush h of selling near the close of the stock market Tuesday erased the principal I part of early gains gams Prices closed thoroughly mixed over a range running to more mote than a dollar dolar a share in either direction I A number of individual issues issues' resisted the late downturn and closed higher than average Chief among these was American Ameri Amen can Cyanamid which was nearly 5 higher at times in contrast I with the chemical group which I Iwas was unchanged to a few cents cent higher The volume of trading was an estimated shares as com corn pared with wilh 1230 share shar f ing hands Monday 4 t f Some of the aircraft steels and motors had bri bri If of activity w without hout g enough buying Interest a real rally raly T f 1 Good earnings reports report things along Both Boci Republic Aviation show q ly higher profits last y compared with 1949 1940 and ad said it had a billion doU log Ilog of orders t the he first of t Revere Copper was wag 11 with wih a fine Cne annual sta and it i stood out ahead ol olin 9 in the copper mining div divi though without much a aci |