WHILE ordinary Americans watch gas prices climb, someone with a lot of money — and apparently the right connections — appears to have made a fortune in a single minute.On the morning of March 22, just before 7am Eastern time, oil futures markets lit up. In a single 60-second window, between 6.49 and 6.50am, nearly 6,200 oil contracts were traded with a total value around $580 million. The average volume for that time period over the preceding five days had been barely more than a tenth of that — a mere 700 contracts.