Last week's stellar first-quarter finish was followed up by a fairly brutal start to the month, particularly for the Dow Jones Industrial Average (DJI). The blue-chip index notched four-straight daily losses, three of which were in the triple digits, and marked its worst day in over a year on Thursday with a 530-point drop. Though things appear to be turning around at this point on Friday, the Dow is still headed for its worst week since August. The S&P 500 Index (SPX) and Nasdaq Composite (IXIC) also pulled back from their recent record highs and are headed for losing weeks. Overall, rising Treasury yields weighed on the market this week, as well as several ...