This week gold fell from a high of $1390, achieved late on Sunday night European time, to a low of $1322 last night before rallying $15 on London's opening this morning. To put this fall in context, the gold price had increased by over $200 since 31st December, so the correction this week was about one third of the rise, normal in that context. The action was in gold rather than silver, whose trading volumes were subdued in comparison, and their relative performance in the year to date is shown…