Thru Quotetracker. The charts stopped for an hour or so and they went all over the place. They all spiked down a couple of times - ( eg. Dow and others spiked down to zero twice and it shows like this on the chart - so all the bars for the day are now very small in size.
Don't be caught off-guard when your stocks start to move. By joining this fantastic newsletter you will receive the most impressive stock alerts around! Just register your email address. You cancel at any time. http://grapevinenews.fantd.com
FYI - I compared Money.net to Interactive brokers for ESM4 contract. It matched it. Sometimes IB would come up with a faster quote, sometimes Money.net, butr on average, they were the same. Money.net was more granular though as far as tick aggregation