By MICHELLE CHAPMAN, Associated Press Business WriterDow is planning to cut approximately 4,500 jobs as the chemicals maker puts more emphasis on using artificial intelligence and automation in its business. There have been thousands of job cuts announced this week after a frustrating year for U.S. job seekers. And United Parcel Service said on Tuesday that it plans to cut up to 30,000 operational jobs this year. And like Dow, Pinterest said this week that it was cutting jobs partially due to increased usage of AI. Rising operational costs have accompanied layoffs in some sectors, and business leaders cite rising costs, including those from President Donald Trump’s tariffs, as well as shifts in spending.