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Stock Markets Jump as Banks Lead Dow, S&P to New Highs

U.S. stocks rallied to fresh highs on Tuesday as investors picked up large-cap companies' shares on the expectation that central bank stimulus will propel the rally further.

Solar Power Is Getting Hotter -- and Cheaper: Should You Switch?

Solar power is no longer something only wealthy, eco-conscious homeowners can afford. It's now within reach for most electricity users in the U.S., and it may make financial sense for you to switch.

SunPower Holds the Lead in Solar Panel Efficiency

SunPower recently launched its SunPower E20 series of solar panels, the industry's first commercially available panels which provide a total area efficiency of more than 20%. That gives SunPower a significant competitive advantage over its competitors.

Austerity Means a Cloudier Forecast for LDK Solar

LDK Solar has long depended on demand driven by government subsidies from countries such as Germany, Spain and Italy, which makes it vulnerable in this period of European austerity. Trefis has revised its estimates for LDK Solar down -- but still meaningfully above the market price.

A Hot Solar Stock: SunPower's Sales Have Far to Rise

SunPower boasts of being able to manufacture the most efficient large-scale solar modules in the industry, and shipments of its residential and commercial components have been growing rapidly. Trefis predicts they'll keep growing, especially if federal policy shifts further in favor of solar.

Can You Profit from Obama's New Energy Policy?

Last week, President Obama outlined a new energy policy that aims to reduce America's dependence on foreign oil. How can patient investors capitalize on his vision?

Is Concentrated Solar Technology Ready to Rise?

Research firm Strategy Analytics projects that global installations of concentrated photovoltaic technologies, which use lenses, mirrors or other optics to concentrate sunlight and direct it in to solar cells, will nearly triple every year for the next four years.

The Mideast's Favorable Breeze for Wind Power

With oil prices soaring on the region's turmoil, alternative energy such as wind is again gaining attention. But wind technology hasn't been standing still: Its power output worldwide jumped by 22% last year. However, it's still nowhere near ready to compete with oil.

California's SolarCity Sees a Bright Market on the East Coast

The big solar panel installer has announced its second East Coast deal in a month: It's buying the residential solar business of Vermont-based groSolar, after picking up Maryland's Clean Currents. And SolarCity isn't the only West Coast solar player heading East for growth.

Americans Love Green Energy, but Will They Pay for It?

While more than three-quarters of Americans have a favorable impression of solar energy, very few have been willing to invest in the technology. Is this about to change?

Natural Gas Boom: Cheap, Clean Fuel Presents Problem, Too

A natural gas boom is coming in the U.S, but while consumers are likely to benefit from the cheap energy source, investors may not. Huge new discoveries of domestic reserves may keep prices down, and the political push toward renewable energy sources could cut into producers' profits.

First Solar Forecasts
46% Higher Sales in 2011

First Solar, one of the world's biggest solar manufacturers, is looking toward 2011 with plenty of good cheer. According to its latest forecast, released Tuesday, the company expects sales to heat up some 46% in spite of lower subsidies in Germany, the world's largest solar market.

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