Exchange-traded funds that track solar and alternative-energy companies rose on Wednesday, after California approved a requirement for new homes to be built with solar installations starting in 2020. The Guggenheim Solar ETF rose 0.9% on volume of about 162,000 shares, well above its 30-day average of 102,000. The PowerShares WilderHill Clean Energy Portfolio rose 0.5% while the First Trust NASDAQ Clean Edge Green Energy Index Fund was up 0.7%. The VanEck Vectors Global Alternative Energy ETF added 1.1% and the iShares Global Clean Energy ETF was up 0.7%. Among the most actively traded solar companies, Sunrun Inc. jumped 5.3%, bringing its year-to-date gain to 68%. Canadian Solar was up 3.5% while First Solar Inc. gained 3.1%. The Dow Jones Industrial Average rose 0.7% on Wednesday while the S&P 500 was up 0.9% and the Nasdaq Composite Index rose 1%.