US stocks sold off broadly this week, but several lagging sectors rose, underscoring a catch-up rally beneath the surface. The S&P 500 fell 2.7% and the Nasdaq

US stocks sold off broadly this week, but several lagging sectors rose, underscoring a catch-up rally beneath the surface. The S&P 500 fell 2.7% and the Nasdaq 3.4%, while XLC gained 5.4% and XLY 3.3%, which Stephanie Link said was more than a defensive move.