Kuala Lumpur Stock Exchange (KLS) is a Malaysian stock exchange, now known as Bursa Malaysia. It is the largest stock exchange in the Association of Southeast Asian Nations (ASEAN) region and is fully automated, offering a wide range of products and services. KLS was established in 1930 and is currently one of the most advanced stock exchanges in Asia.

KLS equities, exchange-traded funds, offshore Islamic assets, and other securities are listed and traded on the exchange. It has over 2,000 listed companies, particularly in the areas of finance, agriculture, manufacturing, and energy. Some of the major stocks on the exchange include PETRONAS, Malayan Banking, and Tenaga Nasional.

KLS's main index is the FTSE Bursa Malaysia KLCI, and it tracks the performance of the top 30 public traded companies on Bursa Malaysia. An array of other indexes linked to different market segments, such as mid- and small-cap sized companies, are also available.

In 2014, KLS launched a new trading platform called Bursa Trade Securities that enabled international traders to trade in Malaysian stocks. Bursa Trade Securities is the first multi-asset class trading platform in Malaysia and is designed to offer a secure and efficient trading platform to domestic and global investors.

KLS is constantly innovating to offer the latest technology to its customers. In addition to providing a state-of-the-art trading platform, KLS also offers a wide range of education and research tools to help investors improve their stock-picking skills and make wiser investment decisions.

KLS is a leader in the ASEAN region and its services have been recognized by international awards and publications. The exchange is committed to transparency, stability, and prudent regulation, making it one of the most reliable exchanges in the region.