SOS Why Dow crashed as much as 220 points?

At the opening of 18 April 2011,

NEW YORK: US stocks slid at the open on Monday after Standard & Poor's downgraded the credit outlook for the United States to negative. The Dow Jones industrial average dropped 177.25 points, or 1.44 percent, to 12,164.58. The Standard & Poor's 500 Index fell 19.35 points, or 1.47 percent, to 1,300.33. The Nasdaq Composite Index lost 41.14 points, or 1.49 percent, to 2,723.51. The rating agency said it believes there's a risk US policymakers may not reach agreement on how to address the country's long-term fiscal pressures

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The cause, basically can be described in two words, Credit Creation over the last 3 decades. Thanks to the derivatives, credit creation is brought to a new level. When credit implode, Fed can't do much about it, can delay it, but cannot stop it.

Most will say US will hyper-inflate their way out of debt. Can they succeed? Can they fight credit with more credit? They can reflate, but it is doubtful they will fall into hyperinflation. The debt implosion (USD65-100t) is far greater than the printing machine.