The IDX index gained 15.19 points, or 0.24 percent, to reach 6,311.90. The index of the 45 most liquid stocks, or LQ45, climbed 3.67 points, or 0.37 percent, to 987.80.
"The US government's agreement to extend the permit of Huawei Technologies Co. Ltd to cooperate with a US company is one of the positive catalysts for the Asian stock exchange, including the IDX today," Valbury Sekuritas Chief Researcher Alfiansyah remarked in Jakarta on Tuesday.
The US President Donald Trump’s statement of relations with China being in good condition had added to the positive catalytic effect on the stock market, Alfiansyah stated.
"Trump has stated that both sides are holding productive talks. Trump is confident of the US economy getting better after the US reached an agreement with China," he noted.
On the internal side, the positive sentiment that the government will continue to strengthen the purchasing power of the public, with consumers remaining the key engine of economic growth, has psychologically influenced investors, he pointed out.
"These factors may strengthen the IDX index on Tuesday," he stated.
Technically, the IDX index appeared to find support as a reference to move upward and reach resistance level, Indosurya Bersinar Sekuritas Director William Surya Wijaya stated.
"The IDX index is forecast to stay within the range of 6,123 to 6,372 points. If the index is corrected, the correction is something normal and can be used as an opportunity to accumulate purchases since in the long run, the IDX index will still show an upward trend," he remarked.
Asian regional markets that strengthened on Tuesday morning comprised Nikkei, rising 70.75 points, or 0.34 percent, and the Straits Times inching up 6.14 points, or 0.20 percent, to 3.134.59. However, Hang Seng fell 40.82 points, or 0.16 percent, to reach 26,251.02. Related news: Be aware of trade war impact: Sri Mulyani
Related news: Chinese academics call Indonesia victim of US-China trade war
EDITED BY INE