AT&T reported a large fourth-quarter loss after booking a $25 billion accounting charge largely tied to its legacy landline businesses.

Microsoft, Tesla, and Johnson & Johnson will all report earnings this week, giving investors a better idea of the state of the global economy.

Lively is a service that sells easy-to-use cellphones and medical-alert devices to mostly older people. The company’s Jitterbug Flip phone stopped working for some customers after the start of the new year following the planned shutdown of Verizon Communications Inc.’s 3G network on Dec. 31.

The Dogs of the Dow outperformed the rest of the market in 2022.

A decades-old subsidy that helps poor people and rural areas pay for telecom services is at risk in a legal battle that could heat up in 2023.