Wall Street climbed to fresh records, carrying the momentum from Friday's jobs data into renewed optimism about the US economy and corporate profits.
In afternoon trading in New York, the Dow Jones Industrial Average rose 0.05 per cent, the Standard & Poor's 500 Index gained 0.32 per cent, while the Nasdaq Composite Index added 0.47 per cent. The S&P 500 touched a record 1,619.77 earlier in the session.
"Until we see a clear change in momentum, pullbacks should still be viewed as long-term buying opportunities," Randy Frederick, managing director of active trading and derivatives at the Schwab Center for Financial Research, told Reuters.
Shares of Apple gained, last up 2.4 per cent, after Barclays lifted its price target on the stock.
The bright mood on the economic outlook and the appeal of equities are dampening demand for fixed-income securities, while investors also are gearing up for US Treasury debt sales in the next three days.