What a Week: Balky Bulls

Bulls found themselves swimming in a sea of joy this week as (mostly) upbeat economic, earnings and M&A news helped secure more milestones for stock proxies.

But even amid the Dow's string of record closes and multiyear highs for broader averages, skepticism about the rally remains high, suggesting the advance may not be done just yet.

For the week, the Dow rose 1.1%, ending Friday at 13,264.62, its seventh record close in the last eight trading days. The S&P 500 gained 0.8% for the week, closing Friday at 1505.62, its highest level since September 2000. The Nasdaq Composite rose 0.6% for the week and closed Friday at 2572.15, its best close since February 2001. ...