The S & P 500 ran into a brick wall Friday and finished the week lower, just one day after closing at a record high. The rotation out of tech stocks, which supported the Dow , was on full display. The across-the-board rally on Wednesday after the Federal Reserve cut interest rates for the third time this year was long forgotten. .SPX .IXIC,.DJI 5D mountain S & P 500, Nasdaq and Dow last week For the week, the broad-market S & P 500 lost roughly 0.6%, while the tech-heavy Nasdaq fell 1.6%, breaking a two-wee ...