China had record 1.55 mln patent applications in 2018 - WIPO
The currency is forecast to hover around the same rate by March 2020
Top-level U.S.-China trade talks are scheduled to resume next Thursday and Friday
Some analysts view the move as a friendly gesture but don't see it as a signal that both sides are readying a deal
The most-traded copper contract on the Shanghai Futures Exchange rose as much as 2.4% to $6,665.91 a tonne, its highest since July 30