Tech stocks, and particularly newly public web stocks, took a beating on Monday morning, the first day of trading after Standard & Poor downgraded the credit ratings of credit agencies. Alongside that, greentech stocks — from solar to biofuels to batteries to smart grid — fell in conjunction with the weak macro economic news. Time to not check your portfolio for awhile this morning.
Solar:
- Thin film solar maker First Solar is down 5.87 percent.
- Solar panel maker SunPower fell 8.26 percent.
- Chinese solar panel maker Suntech has fallen 7.55 percent.
Biofuels:
- Biofuel maker Gevo is down 11 percent. Ouch.
- Algae oil company Solazyme crashed 8.80 percent.
- Biofuel maker KiOR is down 5.57 percent.
- Biofuel maker Amyris dropped 5.40 percent.
Electric car and batteries:
- Lithium ion battery maker A123 Systems crashed a whopping 14.73 percent.
- Electric car maker Tesla Motors is down just a touch at 1.82 percent.
- Battery maker Ener1 is down 7.33 percent to 0.73.
Smart grid:
- Smart meter and network maker Itron fell by 9.05 percent.
- Demand response company Comverge crashed down 15.09 percent.
- Demand response leader EnerNOC dropped by just 4.75 percent.
- Smart meter and network maker Echelon fell by just 2.76 percent.
Random:
- Car sharing company Zipcar is down 15 percent. Another ouch.
- Clean Energy Fuels, which makes natural gas infrastructure for gas-powered cars, dropped 10.91 percent.
Image courtesy of Yoshimov, creative commons.

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