[quaquaqua1]

110k pre tax in the USA is 80k post tax per year-- it is often helpful for us to think in terms of both numbers when comparing money making methods. That's my guess at least.

[wastedhours]

Probably more that they didn't account for weekends, $310 x 365 is $113k

[marketgod]

They are also trading on a small account most likely. If you have $500k to trade with making $300 a day is much easier.