The Standard & Poor's 500-stock inchedinched up 3.3 points, or 0.3percentto to 1,061.50 as Symbol Technologies climbed higher.
Finally Forbidden Technologies climbed 5p to 25.5p after announcing YouTube would use its FORscene product for coverage of the London Olympics this summer.
Wind energy investment rose 11% to nearly $100bn, while investment in so-called "energy smart technologies" climbed 10% to just over $37bn.
Stocks advanced for a second day as technology shares climbed before Intel reported earnings.
Technology stocks climbed yesterday as Wall Street bet that embattled chip makers like Intel might turn the corner, but other stocks ended little changed as the murky economic outlook kept investor enthusiasm in check on one of the year's lightest trading days.
Technology stocks climbed after bell weather Internet stock Yahoo! yhoo announced solid third quarter earnings.
The technology sector climbed after bellwether stock Intel intc rose on speculation that it will report strong earnings after today's close.
According to a company statement, revenue at its microelectronics and communications technologies group climbed more than 50percentt, compared with the year-earlier quarter.
Engage Technologies enga climbed 19%after the CMGI- cmgi controlled Internet marketing company said it signed a deal with privately held Service Metrics that allows Engage to sell Service Metrics web site performance-measurement products and services.
A graph of the cycle resembles a cursive lowercase "r," in which a discovery begins with a Technology Trigger, climbs quickly to a Peak of Inflated Expectations, falls into the Trough of Disillusionment, and, as practical uses are found, gradually ascends to the Plateau of Productivity.
Already, there are many signs that the technology is climbing the adoption curve toward mainstream acceptance.
