Shares of Adani Enterprises were down 11%, while stocks of five other group firms – Ambuja Cements, Adani Power, Adani Transmission, Adani Total Gas and Adani Green were down 5% to 9%
Shares of the group's flagship rose after news Adani will repay some loans, while analysts suggest assets could be sold or spending plans deferred to bolster credibility
President Xi Jinping warned this week that China must speed up moves to become self-reliant in science and technology "to prevent being strangled by foreign countries"
With the "next-generation" system, Honda aims to bring costs down by two-thirds compared with its older fuel cell system
The share plunge of Adani listed companies topped $100 billion on Thursday after the group canned its $2.5-billion share sale – a move that raised more questions over the group's status and dealings
Two Chinese ministries say they are considering restricting exports of three technologies in the booming solar energy sector – wafers, black silicon, and ingot casting
Shares of Adani Transmission and Adani Total Gas plunged by 20% on Monday, while Adani Green Energy sank by 16%. That has put a dark cloud over the group's share offer
The world's third largest carbon polluter projects it needs $10 trillion to $15 trillion in investment to achieve net-zero carbon emissions by 2070
IEA data highlights China's key role in making photovoltaic wafers, cells and modules for solar panels, plus blades, towers and nacelles (turbine units) for wind-power generation
Hindenburg says it looks for "man-made disasters," such as accounting irregularities, mismanagement and undisclosed related-party transactions
Renewable energy sources such as wind farms and solar power surpassed power generated by coal and gas for the first time ever on the east coast of Australia in the December quarter
Shares of Adani companies fell on Wednesday after a report by Hindenburg Research accused the group of improper use of tax havens to manipulate stock prices