ADVANCE CIRCUITS INC <ADVC> 2ND QTR FEB 28 NET Oper shr profit one cts vs loss 22 cts Oper net profit 35,000 vs loss 948,000 Revs 17.4 mln vs 13.8 mln Six mths Oper shr loss 23 cts vs loss 48 cts Oper net loss 1,025,000 vs loss 2,093,000 Revs 32.5 mln vs 27.6 mln NOTE: Results exclude credits of 1,737,000 or 39 cts shr for both 1987 periods from refinancing of debt.