Main stock indexes on Wall Street rose as the optimistic trade talk more than offset signs of slower growth in both U.S. earnings and the economy, with the S&P 500 posting a fourth consecutive week of gains.
The Dow Jones Industrial Average rose 181.18 points, or 0.7 percent, to 26,031.81, the S&P 500 gained 17.79 points, or 0.64 percent, to 2,792.67 and the Nasdaq Composite added 67.84 points, or 0.91 percent, to 7,527.55.
The Dow rose for the ninth consecutive week.
Overnight, shares in Asia were buoyed by a late rally in Chinese shares, with the main blue-chip index rising more than 2 percent to a near seven-month high.
Emerging market stocks rose 0.73 percent after touching the highest level since August. MSCI's broadest index of Asia-Pacific shares outside Japan closed 0.7 percent higher, while Japan's Nikkei lost 0.18 percent.
Trade talks and a growing number of policy U-turns by global central banks have propped up equities in recent weeks, although
this week saw the first outflows from emerging market debt and equity funds since October 2018, Bank of America Merrill Lynch strategists said, citing EPFR data.
Oil prices touched their highest level in more than three months, supported by OPEC supply cuts as well as the trade developments. New record U.S. oil supply, however, limited gains in post-settle trade.
U.S. crude rose 0.37 percent to $57.17 per barrel and Brent was last at $67.00, down 0.1 percent on the day.
In currencies, the U.S. dollar was little changed against a basket of peers. The dollar index fell 0.05 percent, with the euro down 0.03 percent to $1.1331.
The Japanese yen strengthened 0.03 percent versus the greenback at 110.68 per dollar. Sterling was last trading at $1.3053, up 0.03 percent on the day.
The Australian dollar recovered a day after falling more than 1 percent after Reuters reported the Chinese port of Dalian had barred imports of Australian coal indefinitely. China said on Friday that imports would continue, but customs has stepped up checks on foreign cargoes.
Separate comments by Reserve Bank of Australia Governor Philip Lowe that a rate increase may be appropriate next year also helped to boost the Aussie dollar.
The Aussie dollar recently gained 0.56 percent versus the greenback at 0.7128.
Despite gains on risky assets, safe-haven U.S. Treasuries also gained in price. Benchmark 10-year notes last rose 10/32 in price to yield 2.6536 percent, from 2.688 percent late on Thursday.
The 30-year bond last rose 18/32 in price to yield 3.0159 percent, from 3.045 percent late on Thursday.
Spot gold added 0.4 percent to $1,328.20 an ounce. U.S. gold futures gained 0.21 percent to $1,330.60 an ounce.
Copper rose 1.52 percent to $6,477.00 a tonne.
(Additional reporting by Gertrude Chavez-Dreyfuss, Laila Kearney, Caroline Valetkevitch and Kate Duguid in New York; Editing by Dan Grebler and Sonya Hepinstall) ((email@example.com; @rodrigocampos; +1.646.223.6344; Reuters Messaging: firstname.lastname@example.org))