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Updated: Stocks slide amid fears of global contagion.
The Insure Thing
Treasury backs money-market funds as it prepares a big financial fix.
Lehman Makes Its Stand
Embattled Wall Street firm cuts mortgage exposure. But only a big investor can restore confidence.
The Bailout Boost
The markets rally on Treasury takeover. How long can relief last?
Google Holds Up "V" Sign
A search deal with Verizon is said to be near.