Good volume today but look at the long dead spaces

Good volume today but look at the long dead spaces between trades. Nah, there's no manipulation, no blocs of stock being moved at once to paint tape, or anything like that. [/sarcasm]

http://bigcharts.marketwatch.com/advchart/fra...p;state=11

Not sure if this chart will come up correctly -- it's a candlestick chart, 15 minute bars. Look at all those big dead spaces......