Read the details here.
The main sentence of interest to me from the news report:
“Investors continue to be skeptical of relatively early-stage companies with unproven technology that are spending significantly as they move toward commercialization. BrightSource's postponement may also reflect negative sentiment resulting from the high-profile bankruptcy of Solyndra, another solar company that, like BrightSource, was a beneficiary of DoE loan guarantees.”
I have a very long day today at my day job, so I have to stop here- trust me, I will definitely update this post as soon as I get some time.
My post on this from the other day can be read here.