Stock moves were muted for most of the session, even amid release of morning data on the services sector. Investors will be watching Friday's jobs report for indications on the path of Fed tightening.
"Before the big labor reports it's not uncommon for the market to be pretty quiet," said Randy Frederick, managing director of trading and derivatives at Charles Schwab.
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Ahead of the data release, Dallas Federal Reserve President Robert Kaplan, an alternate member of the FOMC, said in a Reuters report Thursday the "Fed needs to show patience in decisions to remove accommodation."
Treasury yields were lower afternoon trade, with the 2-year yield near 0.83 percent and the 10-year yield around 1.83 percent. The U.S. dollar was more than half a percent lower against major world currencies, with the euro at $1.096 and the yen at 113.60 yen against the greenback.
Economists polled by Reuters expect February's employment report to show 190,000 nonfarm payrolls and the unemployment rate unchanged at 4.9 percent.
"The problem is there's no indication whether they will miss or beat. I think you've got a heightened expectation of heightened volatility with no expectation of excess return," said David Kelly, chief global strategist at JPMorgan Funds.
As of Thursday's close, the major U.S. averages were on pace for their first three-week win streak of 2016, with gains of 1.8 percent or more.
"I think this is more of a reduction of concerns from China, oil and central banks," said Douglas Cote, chief market strategist at Voya Investment Management.
"We're seeing some better fundamental reductions in risk and that's supportive of the market. Going forward we think the market will be range-bound until we get corporate earnings," he said.
The ISM non-manufacturing survey for February came in at 53.4, above expectations but a touch below January's 53.5 read. The employment component fell below the 50 contraction-expansion line for the first time in two years.
Sharon Stark, fixed income strategist at D.A. Davidson, said the ISM services figure was weaker than her expectations, especially with employment below 50.
"That gave the (Treasury) market a little bit of fuel. ... No one wants to go in long or short. They want to go in neutral (ahead of Friday's jobs report)," she said, noting a slight reversal from Wednesday's decline in Treasurys.
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In other economic news, the final February Markit services PMI was 49.7, down from January's final 53.2 print and the lowest since October 2013.
January factory orders rose 1.6 percent. Durable goods orders were revised slightly lower show a rise of 4.7 percent, versus the prior 4.9 percent increase.
Ahead of the opening bell, weekly jobless claims came in at 278,000. Revised fourth-quarter productivity declined 2.2 percent, while unit labor costs rose 3.3 percent.
"We haven't seen strong data yet but we are seeing data stabilizing," said John Toohey, head of equities at USAA Investments.
"I can't attribute all the stabilization in the stock market to the fact the economic data has stabilized because the market was oversold and there was some forced selling and that has dissipated," he said. Still, "if the economy hadn't stabilized the market would be a lot weaker."