Infinity Trader Review (Don Kaufman's Ultima Spike Trading Strategy) Disclaimer: There are affiliate links on this page. This means that if you click through and purchase anything, I might earn a commission for the introduction with no extra cost to you. In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss or damage, … [Read more...] about Infinity Trader Review (Don Kaufman’s Ultima Spike Trading Strategy)