Jack Welch, dubbed by Fortune as “manager of the century” for his work at General Electric, died on Sunday of renal failure. He was 84.

Two national cellphone carriers may soon merge to create a new wireless giant. A federal judge has cleared the path for T-Mobile’s $26.5 billion takeover of Sprint. The merger still needs a few more approvals, but T-Mobile expects to close the deal as early as April 1.

Macy’s announced it is closing 125 stores and cutting 2,000 corporate jobs. The department store chain also is closing its offices in Cincinnati and San Francisco, leaving New York City as its sole corporate headquarters. The company didn’t say how many store employees will lose their jobs, but it currently employs about 130,000 people.

Taco Bell announced Thursday it would pay some of its store managers six figures starting later this year. The fast-food chain has had seven consecutive years of sales growth at its restaurants, and it has big plans for the future.

Boeing’s safety problems—and related costs—keep piling up as it tries to return the 737 Max jet to service. On Tuesday, the company recommended that pilots go through simulator training before flying the updated aircraft again. The day before, Boeing announced it discovered a wiring problem in the Max that could cause a short circuit.

The United States saw its biggest shopping day in history on Super Saturday, the last Saturday before Christmas. Sales reached $34.4 billion, trumping Black Friday’s $31.2 billion in sales and Cyber Monday’s $19.1 billion.

Boeing doesn’t plan on the Federal Aviation Administration approving the grounded 737 Max for flight anytime soon. The company announced Monday it would suspend production of the jet at a plant in Renton, Wash., sometime in January, with no specifics on when it would restart. Countries around the world grounded the Max in March after two crashes in Indonesia and Ethiopia killed a total of 346 people.