S&P buoyed by commodity sectors; eyes on Apple earnings

By Rodrigo Campos (Reuters) - The S&P 500 hovered near the unchanged mark on Tuesday, buoyed by gains in energy and materials as soft economic data weakened the dollar, giving commodities support. The greenback fell after orders for long-lasting U.S. manufactured goods rebounded far less than expected in March as demand for cars, computers and appliances slumped. Consumers appeared a bit pessimistic on the economy's short-term outlook and sent a measure of confidence lower. The data came as