SWISS WHOLESALE PRICES FALL 0.3 PCT IN FEBRUARY Swiss wholesale prices fell by 0.3 pct in February, giving a drop of 4.3 pct from February 1986, the Federal Office of Industry, Trade and Labour said. Prices had been unchanged in January, giving an annual drop of 4.6 pct. They fell by 2.6 pct in the year to February 1986. The wholesale price index, base 1963, stood at 168.5 in February from 176.1 last year. The office said the fall was largely due to lower prices for energy, raw materials and semi-finished goods. Consumer goods prices rose slightly.