Neither player has won a set 6-0 against the other in 34 meetings, but Djokovic came very close before Nadal summoned the strength to save five break points in the sixth game.
Many times over the past two years (such as Armageddon Fears Are Overblown on June 1, 2012 and Can Doom and Gloom Save the Market? on September 16, 2011), I have made the case that the internal strength of the stock market was signaling that the economy was actually stronger than most thought.