US stocks rose, completing the best two-week rally for the Dow Jones industrial average since 2000. The S&P 500 added 4.1 percent for the week to 979.26. The Dow average jumped 349.30 points for the week, or 4 percent, to 9,093.24, after adding 23.95 yesterday, and extending its rally since July 10 to 12 percent. The Nasdaq gained 4.2 percent to 1,965.96 for the week. It fell 7.64 yesterday..