$300M to save 6 milliseconds?

whoever57 writes: A new transatlantic cable (the first in 10 years) is going to be laid at the cost of $300M. The reason? To shave 6ms off the time time to transmit packets from London to New York. The Hibernian Express will reduce the transit time of 65 milliseconds by a mere 6 ms, however the investors believe that the financial community will be lining up to pay premium rates to use the new cable. The article suggests that a a one millisecond advantage could be worth $100M per year to a large hedge fund.