https://apnews.com/356ad647382e6a3112becece5fdead97 > WASHINGTON (AP) — The U.S. supply of computer chips has fallen to alarmingly low levels, raising the prospect of factory shutdowns, the Commerce Department reported Tuesday. > Companies that use semiconductors are down to less than five days of inventory — a sharp drop from 40 days in 2019, according to a department survey of 150 companies. The chips used in the production of automobiles and medical devices are especially scarce.