Audio technology veteran Bose Corporation and Beats Electronics called a ceasefire in a lawsuit over patented technology for canceling noise in earphones.
Finance chiefs of the Group of 20 economic powers said they remained confident about the global economy, despite renewed weakness in areas like the eurozone.
Electric car giant Tesla unveiled a new two-engine vehicle designed to perform in bad weather, featuring four-wheel drive and anti-collision technology.
Frustrated with the US Congress's refusal to vote through crucial reforms at the International Monetary Fund, IMF chief Christine Lagarde promised a show if they do.