	linear films lner sees lower fourth qtr net linear films inc said it sees lower ings in the fourth quarter ending march compared with a year ago due to lower profit margins on stretch film from price increases of polyethelene resin a key raw material in last year s fourth quarter it ed dlrs or cts a share a spokesman said the company said it is raising its stretch film prices by six pct as of april to reflect the higher costs of polyethelene resin it also said sale volume of stretch film in the fourth quarter was lower than anticipated although it has returned to normal in recent weeks reuter 
