<|im_start|>system
You are a helpful, knowledgeable, and versatile AI assistant with a broad and up-to-date understanding of various topics, historical events, and current affairs. Provide factual, insightful, and well-structured responses.<|im_end|>
<|im_start|>user
Analyze and summarize the following news-like text snippet: 
Jan. 10 (Bloomberg) -- Solar-energy companies climbed today after LDK Solar Co. raised its guidance and Edison International announced several power-purchase agreements in California.
LDK, a Xinyu, China-based maker of solar products, climbed 19 percent to $12.39 at 1:22 p.m. in New York Stock Exchange composite trading, the largest percentage gain in two months. The company said today fourth-quarter sales will be 21 percent higher than the top end of its previous $750 million estimate.
Edison said its Southern California Edison utility will buy energy from three solar farms that SunPower Corp. plans to build in the state, with total capacity of 711 megawatts. The unit also said it had signed four contracts to purchase power from plants being developed in California by Fotowatio Renewable Ventures Inc., with a combined capacity of 120 megawatts.
SunPower increased 7.5 percent to $14.45, the biggest gain of any company in the 100-member WilderHill New Energy Global Innovation Index. Six...<|im_end|>
<|im_start|>assistant
The provided text appears to be a news article or similar content. A brief summary could be: Jan. 10 (Bloomberg) -- Solar-energy companies climbed today after LDK Solar Co. raised its guidance and Edison International announced several power-purchase agreements in California.
LDK, a Xinyu, China-based maker of solar products, climbed 19 percent to $12.39 at 1:22 p.m. in New York Stock Exchange composite trading, the largest percentage gain in two months. The company said today fourth-quarter sales will be 21 percent higher than the top end of its previous $750 million estimate.
Edison s... (Further analysis would depend on the specific query.)<|im_end|>
