Wages declined in 7 of the 10 biggest sectors of the city's economy, he said.
Health care and telecoms were the biggest sectors, accounting for $319 billion and $261 billion respectively.
Two of the biggest sectors are education and health care, among the most resistant to downturns.
But if you were investing in the U.S., you wouldn't limit yourself to only the four biggest sectors.
The index's three biggest sectors were among the main decliners: oil and gas was down 1.54 percent, materials was off 1.06 percent, and financials fell 0.56 percent.
Technology is one of the biggest sectors to see continued rapid growth, with startups branching into areas from media to retail.
The industry remains one of the biggest sectors in the UK with roughly 20,000 posts advertised each month, placing it below only engineering, manufacturing and utilities in the number of vacancies advertised.
But here I am, working out my prison sentence in a country where the 10 people who control the biggest sectors of the economy are Vladimir Putin's oldest friends.
The government is striving to trim the public sector and rebalance the economy towards manufacturing while juggling the awkward reality that one of UK industry's biggest sectors, defence, needs significant state support.
Although some parts, such as cloud computing and all things mobile, are expanding rapidly, the biggest sectors, including most hardware, business software and IT services, are growing slowly or even shrinking And these are dominated by big technology firms such as HP and IBM.This "bifurcation", in the words of Mr DiGrande, will lead to a big restructuring of the industry.
We've also explored the biggest sectors in the broader region: technology, media and telecommunications.
