Tech-Sparked Rally Sets Records but Leaves Some Worried

There's something about Mondays. For the second consecutive one, stocks stormed out of the weekend in impressive fashion, sending major market gauges to record highs.

Major Indices INDEX CHANGE % VALUE YR TO DATE Dow 174.82 +1.8% 10,007.33 +9% S&P 500 27.40 +2.1% 1321.12 +7.5% Nasdaq 66.69 +2.7% 2560.06 +16.8% Russell 2000 3.55 +0.9% 402.29 -4.7% TSC Internet 25.69 +3.9% 683.12 +68% TSC E-Commerce 7.11 +6.1% 123.23 +44.8% TREASURY BOND CHANGE VALUE YIELD 30-Year 4/32 95 3/32 5.589%

Unlike last Monday, when energy names set the pace, technology stocks led today's stampede. The Nasdaq Composite Index climbed 66.69, or 2.7%, to 2560.06, notching its first record-setting close since hitting 2510.09 Feb. 1. ...