Show CURB STOCKS SWING LOWER NEW YORK Dec 18 Most Most curb urb stocks were lower in late trading rading Friday after a forenoon sellIng sell sell- sel- sel ing ng flurry Losses of fractions to more than thana a point were recorded for Aluminum um nuni of America American Cyanamid Cyanamid Cyana Cyana- mid B American Gas Ga and El Elec- Elec c- c ric Lake Shore Mines and Creole Petroleum Wider losses were shown for a afew afew few ew relatively inactive specialties notably Cleveland Tractor Columbia Columbia Colum- Colum bia ia Pictures and Consolidated Min Min- ing ng Electric Bond and Share with wih a a fractional gain went counter to the ic main trend as did Sh Sherwin Sherwin- Williams and Pan-American Pan Air Air- ways |