Consumer companies fell, paring robust gains for the week, amid doubts about the viability of a peace agreement.

The U.S. Global JETS exchange-traded fund, a basket of airlines, rose 8% for the week, returning to the green for the year, though momentum eased on Friday.

Flavoring and scent maker International Flavors & Fragrances has agreed to sell its food-ingredients business to buyout firm CVC Capital Partners in a deal that values the division at $4.3 billion including debt.

Warehouse chain Costco Wholesale reported higher third-quarter sales as the retailer continues to draw inflation-weary consumers, including to its fuel pumps.

Write to Rob Curran at rob.curran@dowjones.com