2. As Wall Street rallied this week, it seemed that investors were taking comfort in thenotion that the economy has become so imperiled by the crumbling housing market thatit is forcing the government to finally mount an aggressive rescue effort. Investorsfound reassurance yesterday in talk that the White House is brokering a deal with banksthat could diminish a looming tidal wave of home foreclosures. Soothing words fromthe Federal Reserve earlier this week revived the hope that more interest rate cuts areon the way, drowning nervousness in a din of buying.