Ticker: Prompted by mass shooting, 72-hour wait period and other new gun laws go into effect in Maine; Wall Street ends a wild and scary week

With eleventh hour guidance from the state, Maine gun retailers on Friday began requiring a three-day wait period for gun purchases under one of the new safety laws adopted following the state’s deadliest mass shooting. Maine joined a dozen other states with similar laws, requiring that buyers wait 72 hours to complete a purchase and retrieve a weapon. The law is among several gun-related bills adopted after an Army reservist killed 18 people and injured 13 others on Oct. 25, 2023, in Lewiston. The new law wouldn’t have prevented the...