Nasdaq-listed shares closed up.
The S&P turned very slightly higher on the week, recovering from the index's biggest daily drop since November on Monday. That drop came on concerns over Italy's election, as well as over sequestration - U.S. government budget cuts that will take effect starting on Friday if lawmakers fail to reach an agreement on spending and taxes.
The index had climbed 6.3 percent for the year before pulling back on concerns about Fed policy and inconclusive elections in Italy, which rekindled fears of a new euro zone debt crisis.
"While the rally remains intact and there are reasons to be long-term bullish here, there are also reasons to not be surprised if we get a correction," said Mangan, who helps oversee $3.7 billion.
In earnings news, Priceline.com gained 2.6 percent to $695.91 after reporting adjusted earnings that beat expectations. TJX Cos Inc jumped 2.5 percent to $44.75 after the retail chain operator posted higher fourth-quarter results.
The S&P retail index climbed 1.6 percent.
Target Corp offered a cautious outlook for consumer spending in 2013 following a weak holiday quarter. The stock dipped 1.1 percent to $63.32.
First Solar Inc plunged 14 percent to $27.04 after failing to give a full-year earnings and sales outlook, though it also swung to a quarterly profit.
Groupon Inc plunged 21 percent to $4.70 after the bell after reporting its fourth-quarter results.
With 93 percent of the S&P 500 companies having reported results so far, 69.5 percent beat profit expectations, compared with a 62 percent average since 1994 and 65 percent over the past four quarters, according to Thomson Reuters data.
Fourth-quarter earnings for S&P 500 companies are estimated to have risen 6.2 percent, according to the data, above a 1.9 percent forecast at the start of the earnings season.
About 6.23 billion shares changed hands on the New York Stock Exchange, the Nasdaq and NYSE MKT, slightly below the daily average so far this year of about 6.48 billion shares.