Goldman Sachs Group Inc. plans to cut 3,200 jobs starting this week, according to a person familiar with the matter, part of a wave of cost-cutting on Wall Street after a big slump in dealmaking. The layoffs amount to nearly 7% of the 49,000 employees on the U.S. bank’s payroll as of September. Goldman’s executives have been [planning since at least December to slash thousands of jobs](https://www.wsj.com/articles/goldman-sachs-plans-thousands-of-layoffs-expects-to-eliminate-some-bonuses-1167121