Germanys BASF reported nine-month profits at the top end of analysts expectations on Thursday and said stable growth would continue into 1998, with 1997 sales expected to top 50 billion marks. The chemicals and drugs group announced a 12.4 percent rise in nine-month pre-tax profits to 3.787 billion marks. Expectations had ranged from 3.56 to 3.80 billion. "As things look today, we will achieve our forecasts for 1997 of raising group sales to well over 50 billion marks and exceeding the previous years earnings, BASF said in a statement.