Around 2:40 p.m. GMT, the Dow Jones advanced 0.45%, the Nasdaq 0.27% and the S&P 500 0.30%.
On Friday, the three main indices had reached new records, driven by good US employment figures for October.
The Dow Jones ended up 0.56% at 36,327.95 points, the Nasdaq index, influenced by technology stocks, by 0.20% to 15,971.58 points and the extended S&P 500 index, by 0. 37% to 4,697.53 points.
US stocks are trading mostly higher early in the session, modestly extending last week's advance that saw markets continue to set a series of new records after the Fed's decision to cut asset purchases monthly and the strong October Labor Report, "Schwab analysts noted.
The US Central Bank said on Wednesday it would start reducing its asset purchases in November as the markets expected.
However, the Fed could start to raise its key rates "by the end of 2022" if the economy remains on its path, said its vice-president Richard Clarida on Monday, while ruling out a very short-term hike.
In the absence of a major indicator on Monday, investors would watch Tuesday the producer price index (PPI) and especially, the next day, that of consumer prices (CPI) for October.
Analysts expect inflation (CPI) to have accelerated to 5.9% year-over-year from 5.4% in September.
In terms of values, the title of electric car maker Tesla fell sharply at the opening of Wall Street on Monday (-4.25% to $ 1,170), jostled by its boss Elon Musk over the weekend.
After soliciting his followers on Twitter, the whimsical entrepreneur has undertaken to sell 10% of his shares.
Google (Alphabet) shares exceeded $ 3,000 for the first time (+ 0.65%), its market capitalization on Wall Street approaching the $ 2,000 billion mark.
In the bond market, rates on ten-year Treasuries stood at 1.47% from 1.45% on Friday.
© 2021 AFP