Obama is expected to name several nominees for Cabinet posts as early as this week. Tim Geithner, Larry Summers and Paul Volker are seen as key candidates for Treasury Secretary. Financial services and institutions are already braced for more regulatory scrutiny in the Obama administration. Wall Street saw a drop in trading, as the Dow Jones Industrial Average dipped 170 points after a 300-point jump on election day trading. But analysts say that investors are refocused on the economy and expect the continuing slate of bad news to drive trading.”]