Jakarta. Indonesia's stock market added Rp 409 trillion ($22.7 billion) in market value over the past week as a rally in blue-chip banking shares lifted investor sentiment and pushed the benchmark index sharply higher.

The Indonesia Stock Exchange's (IDX) market capitalization rose 3.95% to Rp 10,749 trillion ($598.2 billion), while the Jakarta Composite Index (JCI) advanced 4.24% to close at 6,175.5, up from 5,924.3 a week earlier.

Average daily trading value surged 36.25% to Rp 13.99 trillion ($776 million) from Rp 10.27 trillion the previous week, IDX Corporate Secretary Kautsar Primadi Nurahmad said on Saturday.

Indonesia's three largest banks were the biggest contributors to the market's gains.

Bank Mandiri (BMRI) added 32.6 points to the benchmark index after its shares climbed 9.8% during the week. It was followed by Bank Central Asia (BBCA), which contributed 26.4 points after gaining 4.8%, and Bank Rakyat Indonesia (BBRI), which added 26.2 points as its shares rose 6.4%.

Other major contributors included Amman Mineral Internasional (AMMN), Telkom Indonesia (TLKM), Bayan Resources (BYAN), Astra International (ASII), VKTR Teknologi Mobilitas (VKTR), Barito Renewables Energy (BREN), and United Tractors (UNTR).

Among individual stocks, Asia Sejahtera Mina (AGAR) led the week's gainers, surging 138.2% to Rp 505 from Rp 212.

Other top performers included Prodia Diagnostic Line (PRDL), which jumped 77%, First Media (KBLV), up 69.1%, and Multipolar Technology (MLPT), which gained 59.7%.