Renewable Energy

Ecoark Holdings Inc (OTCMKTS:EARK) shares rallied 23.08% to $16.00 on Tuesday as the company submitted its application for listing on the Nasdaq market. Ecoark Holdings Inc (OTCMKTS:EARK) is a development-stage company that is focused on developing and commercializing thin film solar cell technologies that employ nanostructured materials and designs through its...

Pacific Ethanol Inc (NASDAQ:PEIX) shares rose 20.56% to $6.04 on Tuesday, following a steady bullish run in anticipation of the company's participation in 13th Annual Craig-Hallum Institutional Investor Conference on June 1. Pacific Ethanol Inc (NXASDAQ:PEIX) shares chalked up an additional 0.50% gain to $6.07 in after-hours trading. Shares are still trading at...

Vivint Solar Inc (NYSE:VSLR) shares rose 42.59% to $3.75 on Friday following several upgrades from stock analysts. In particular, Vivint Solar Inc (NYSE:VSLR) shares were upgraded by analysts at Deutsche Bank from a hold to a buy rating, citing a price target of $7.50 per share from the previous $3.50....

SolarCity Corp (NASDAQ:SCTY) investors got wind of a letter from Tesla's board of directors on an acquisition offer that could be worth as much as $2 billion. In this letter, the electric car manufacturer proposed an offer that equates share prices to a value between $26.50 to $28.50. Tesla CEO Elon...

Spi Energy Co Ltd (NASDAQ:SPI) shares were up 11.26% to $6.62 on Tuesday as the company signed two new EPC contracts in China, namely a 40MW photovoltaic (PV) power generation project with Inner Mongolia Jitong New Energy Technology Co., Ltd. and a 6MW project with Linze County Tianheng New Energy...