How to build a $1 billion business in Delaware: The new billionaires

More than two dozen billionaires have been identified as the top 20 earners in Delaware as of last week, a milestone in the state’s decades-long financial boom.The state’s wealth gap has ballooned by $1.4 billion since 2015, with the median household net worth in the past year dropping by more than $20,000, according to data […]