"There is no guarantee that the proposed transaction will proceed, and neither the Sycamore consortium nor Billabong is under any obligation to proceed, " it added.

BBC: Billabong in takeover talks with consortium

Renewable-energy companies, particularly solar power product makers and developers, say the loan-guarantee program administered by the Department of Energy is crucial to allow projects currently under development to proceed.

WSJ: Proposal Aims to Gut DOE Loan Program

The insurgents say the transfer, part of a prisoner exchange pact under discussion, is necessary for peace talks to proceed.

WSJ: Detainee Deal Stalls Taliban Talks

Keith Alexander, head of the U.S. Cyber Command, a part of the military, acknowledged that the Obama administration is debating internally how to proceed when U.S. companies are under cyberattack.

WSJ: U.S. Official Cites Cyberattack Risks