Ericsson reported a steep fall in fourth-quarter net profit on a combination of more cautious spending from U.S. carriers, losses at joint ventures and an unfavorable swing in its business mix.

WSJ: What's News

Like other recent large airline mergers that have helped U.S. carriers compete more effectively in global markets, the American-US Airways combination was, in several important respects, made possible by Chapter 11 and the legal and financial tools it offers to companies in need.

FORBES: Big Deal: Reflections on the American and US Airways Megamerger