The number of Americans filing new claims for unemployment benefits fell for a second straight week last week, underscoring the strengthening labor market fundamentals. Initial claims for state unemployment benefits slipped 1,000 to a seasonally adjusted 298,000 for the week ended Aug. 23, the Labor Department said Thursday. Claims for the prior week were revised to show 1,000 more applications received than previously reported. Economists polled by Reuters had forecast claims climbing to 300,000 last week. A Labor Department analyst said there were no special factors influencing the state level data. The four-week average of claims, considered a better measure...