French retailer Auchan this week became the latest multinational player to announce investment in India. The market, meanwhile, can prove a challenge and Hershey's local partner has admitted the future of their venture is uncertain. Elsewhere, Wal-Mart, which this week reported higher quarterly sales, faced more claims of financial impropriety in Mexico. And two bread manufacturers, Australia's Goodman Fielder and US firm Flowers Foods, spoke of the challenging nature of the sector.