The studios say their international sales have been posting double-digit increases, although they will not release totals.

Retail sales, meanwhile, probably posted a moderate increase, bolstered by continued gains in personal income.

Retail sales posted a second consecutive strong monthly gain, jumping 1.1 percent in November.

Retail sales posted a paltry rise of two-tenths of 1 percent in November, but at least the number was positive.

Total sales for the Adventurer line posted its best effort with 11,597 models produced.

But another report said sales of existing homes posted a stronger-than-expected increase in February.

Light-truck sales posted a strong gain to 150,213, an increase of 25.3 percent.

For all of 1982, sales of new homes posted a seasonally adjusted annual average of 412,000 units.

Retail sales posted a strong gain for the second consecutive month, the Government said today.

General Motors and Ford said sales soared in June, but both also posted big losses on making cars.