were lower by 6.8% Monday following a report in
that cheaper silicon will hurt the Phoenix-based company's competitive advantage.
First Solar was down $9.96 to $137.40. Barron's said that a main selling point of panels sold by First Solar and
Energy Conversion Devices
was that they used little silicon, and hence were cheaper than traditional panels. Energy Conversion was down almost 13%, or $2.03, to $13.74.
Bill Alpert wrote in
Monday that: "A key selling point of thin-film panels is their reduced use of costly materials like silicon: a 97% reduction, in most thin-film technologies. Now that silicon is cheaper, First Solar is hustling around to investor conferences explaining how it aims to fly under silicon's descending cloud ceiling."
Solar stocks got a boost last week following a report in
that the Chinese government would provide more support for its solar industry.
Most of those companies were giving back gains today.
shares were lower by 14.2%, or 56 cents to $3.37.
Solar Fun Power
was down 10.5%, or 49 cents to $4.18.
was down 8.8%, or $1.02, to $10.63.
was down 8.9%, or 60 cents to $6.55.
Green Plains Renewable Energy
, based in Omaha, Neb., was a bright spot as its shares were higher by 1% to $3.