In this aerial photo, mid-sized pickup trucks and full-size vans are seen in a parking lot outside a General Motors assembly plant where they are produced Wednesday, March 24, 2021, in Wentzville, Mo. (AP Photo / Jeff Roberson)

The global shortage of semiconductors has forced General Motors and Ford to further cut production at their North American factories as chip supplies seem to be growing tighter.

John Kirk, right, a 20-year-employee, pickets with co-workers outside the General Motors Fabrication Division, Friday, Oct. 4, 2019, in Parma, Ohio. (AP Photo / Tony Dejak)

The General Motors strike now entering its fourth week is rippling across the economy, from parts suppliers to bars, restaurants and other businesses that serve employees who now find themselves tight on cash.