Only one broke the buck, the Reserve Fund. And they shouldn't have been anywhere near risky Lehman debt. That's what sparked the run-- people wanted out of th

Only one broke the buck, the Reserve Fund. And they shouldn't have been anywhere near risky Lehman debt. That's what sparked the run-- people wanted out of the Reserve Fund and other investors were freaked that other money markets holding similar risky paper. The situation was fixed directly with a federal guarantee for money markets-- but the example was used as part of the fear-mongering to pass the TARP, which has absolutely nothing to do with money markets. Also money markets/commercial paper debt markets are important to all businesses issuing short term debt, not just financials.