Ericsson shares skid as enterprise trouble offsets AT&T boost - MarketWatch
1. Ericsson's Q4 profit rose 43% but missed earnings expectations. 2. Sales in North America surged 54% due to AT&T contract. 3. Enterprise division struggled, prompting a focus on performance stabilization. 4. Double-digit sales declines occurred in key regions outside North America. 5. Ericsson has written down $4 billion from its Vonage acquisition.