Even if it proves to be a blip, this week’s volatility in gold may have its uses. For one thing, Tuesday’s steepest single-day price decline in seven years should make bankers in India wary of storing up future trouble by writing risky subprime loans against the country’s most-loved commodity.
Gold has a strong emotive appeal to Indians, who own one-eighth of the metal ever mined. Of late, though, the glitter was beginning to blind the authorities, too. India’s central bank recently raised the loan-to-value limit for advances against gold jewelry to 90% from 75%.
Now that the international price has