The Nasdaq and S&P 500 finished at fresh records Monday as large tech companies rallied ahead of earnings later in the week from Amazon, Facebook and other giants. The tech-rich Nasdaq Composite Index led major indices, winning 0.9 percent at 14,138.77 to overtake its previous record. The broad-based S&P 500 gained 0.2 percent to 4,187.64, narrowly topping its all-time high, while the Dow Jones Industrial Average shed 0.2 percent to 33,981.57. jmb/cs