Quantum Fuel Systems Technologies Worldwide Inc (QTWW) fell as much as 10% after the company posted second-quarter results that fell below expectations. They posted a loss of 10 cents a share on sales of about $5 million vs. a loss of 9 cents a share on sales of $6.7 million a year ago. Analysts were expecting a loss of 6 cents a share on sales of $8.6 million. The company said the sales decline was due to lower product sales in its fuel cell systems segment. Shares are now trading off the lows and are currently only down 6%.