US President Donald Trump said in a Fox News radio interview that trade talks were scheduled for Thursday, "at a different level". The S&P 500 gained 1.3 percent, while the Nasdaq Composite advanced 1.5 percent.
The S&P 500 rose 15 points, or 0.5%, to 2,939. Eastern Time. The Dow Jones Industrial Average climbed 116 points, or 0.4%, to 26,470.
Heavyweight tech stocks with tariff exposure, such as Apple Inc, up 1.69 per cent, and Microsoft, up 1.89 per cent, boosted the technology sector by 1.73 per cent for its best day since August 16. Microsoft rose 1.9% and Apple added 1.7%.
Ulta Beauty plunged 29.6% after reporting weak results and cutting its estimates.
Trading turned volatile in August as investors anxious that the escalating trade war between the US and China and a slowing global economy could tip the USA into a recession.
Trade negotiators are due to meet in September for new negotiations, though there has been no sign of progress in recent days since an escalation by both sides earlier this month.
Last week, the trade conflict escalated again with both sides threatening new tariffs on each other's goods, triggering a sharp sell-off in global markets.
The glimmer of hope gave investors reason to shift some of the money they've been plowing into the safety of USA government bonds back to stocks.
Ulta Beauty Inc tumbled 28.8%, to the bottom of the S&P 500, after the cosmetics company cut its full-year profit forecast.
Some of the Trump administration's additional tariffs on Chinese products take effect Sunday and others on December 15.
Pogba forfait, Guendouzi débarque chez les Bleus — Equipe de France
Un coup dur pour Didier Deschamps, qui devra se passer d'un de ses leaders techniques. La saison dernière a été formidable pour lui.
Besides, a Chinese Commerce Ministry Spokesman, Gao Feng, had also been quoted saying on Thursday (August 29th) that the United States must lift an additional 5 per cent tariff hike imposed last Friday (August 23rd) shortly after China had hiked tariff on $75 billion worth of U.S. exports.
United States markets will be closed on Monday for the Labor Day holiday, which falls a day after President Donald Trump is due to jack up import duties on more than US$100 billion in Chinese imports, escalating his trade war with China. Shares in companies that rely on consumer spending also fell.
Adobe lost 1.5% and Wells Fargo added 1.1%.
The S&P 500 is up 417.73 points, or 16.7%.
Benchmark crude oil fell $1.61 to settle at $55.10 a barrel. Brent crude oil, the global standard, gained 59 cents to close at $61.08 a barrel.
Oil falls as US, China add more tariffs in trade war
But in fact, economic research has concluded that the costs of the duties fall on USA businesses and consumers. US investors will be eyeing retail stocks this week to see which companies are weathering the tariffs .
More than half of the 30 blue-chip stocks in the Dow extended gains around midday, with shares of trade-sensitive Intel up over 1.3 per cent, leading the gainers. Heating oil declined 3 cents to $1.83 per gallon.
The S&P index recorded 34 new 52-week highs and no new low, while the Nasdaq recorded 32 new highs and 41 new lows.
The dollar fell to 106.25 Japanese yen from 106.62 yen on Thursday. The euro weakened to $1.1052 from $1.1079.
Hurricane Dorian is Category 5, Tropical Storm Warning for Sebastian, Vero Beach
In their latest advisory, the National Hurricane Center (NHC) said that Dorian is located about 205 miles east of West Palm Beach. According to the National Hurricane Centre, Dorian now has winds up to 175 miles per hour (281 kph).