King County's economy grew at the second-fastest rate in the nation last year, even as the tech sector cooled, according to the Puget Sound Business Journal. The county's Gross Domestic Product (GDP) surpassed $409 billion, a 5.8 percent increase that underscores the Seattle-King County region's broader economic development trends. However, the Puget Sound Business Journal also reports that the tech sector, typically a major driver of King County's economy, experienced slower growth because of l