The Swiss franc slipped against the dollar and the euro on Wednesday as some investors trimmed franc positions against major currencies to lock in profits from a strong run up in recent sessions. At 0633 GMT, the franc was 0.2 percent lower against the dollar. The franc also pulled back from an eight-day high against the euro, creeping back below the 1.30 francs per euro mark. The franc was 0.2 percent lower against the euro at 1.3011 francs per euro.