Soaring Solar ETF Will Get a New Index

The suddenly hot Market Vectors Solar Energy ETF

will be getting a new index. On or about March 18, KWT will begin tracking the Market Vectors Global Solar Energy Index (MVKWTTR). The $13.3 million ETF currently tracks the Ardour Solar Energy Index. KWT is the latest ETF Van Eck, parent company of Market Vectors, has announced an index change for. On Tuesday, the firm said the popular

. The firm previously announced index changes for the Market Vectors Coal ETF

and the Market Vectors Gaming ETF

. KWT's news index uses the Market Vectors index methodology that focuses on investability, diversification and pure-play exposure to the relative asset class,

. That is the same methodology used by popular Market Vectors ETFs such as the Market Vectors Russia ETF

, the Market Vectors Seminconductor ETF

and the Market Vectors Junior Gold Miners ETF

. KWT's top-10 holdings currently include First Solar

, Trina Solar

and SunPower

. In the past month alone, KWT has surged 26.4 percent as solar stocks have rocketed higher on news that China is stepping in to help its flailing solar firms and

to a unit of Warren Buffett's Berkshire Hathaway

. For more on ETFs, click

.