Show CURB MART FIRMS FIRMS' IN ACTIVE TRADING NEW YORK July 21 ff W Led by Aluminum of America with a gain of of about 10 points the curb market firmed in more active trading Thursday Thurs day around the highest levels of the session Aluminum's rise which appeared to have been prompted by pool operations op carried the quotation to 40 in a substantial turnover Other specialties pe- pe were firm but Inactive Oils after a quiet morning came cameto cameto to life in the afternoon when Gulf rose more than 2 points Indiana followed fol lowed with a move into new high ground for the year Utilities showed quiet firmness Consolidated Gas of Baltimore rose a point Associated Gas A appeared frequently in the late dealings holding hold ing steady |