Wall Street ends at record highs; dollar loses steam

By Sam Forgione NEW YORK (Reuters) - Key stock indexes on Wall Street swept to record intraday and closing highs on Black Friday thanks to gains in consumer staple and technology stocks, while European shares climbed, and a stabilization in U.S. Treasury yields led investors to sell the dollar. The Dow, S&P 500 and Nasdaq indexes, as well as the small cap Russell 2000 , hit record closing and intraday highs in thin trading, with the U.S. stock market closing at 1:00 p.m. ET (1700 GMT). For t