IKEA invests in U.S. logistics startup Optoro to better manage returns

STOCKHOLM (Reuters) - IKEA, the world's biggest furniture group, said on Wednesday it had bought a minority stake in U.S. tech startup Optoro whose software helps retailers manage returns in a more efficient way.Growing return volumes as shopping moves online are an increasing headache for retailers as they are costly, pose logistical challenges and negatively affect the environment. Ingka Group, which owns most IKEA stores and e-commerce worldwide, said it would roll out Optoro's reverse..