Asian Stock Markets Today: Kospi Jumps, Nikkei Rises As Wall Street Rebounds

• The US Treasury has announced it will double its buyback program for long-dated bonds to improve market liquidity and stabilize yields. • Following the announcement, yields on 30-year bonds dropped as investors reacted to the increased government support.

• The U.S. Department of the Treasury is increasing the size of its liquidity support buyback operations for longer-dated nominal coupon securities starting September 9. • The operations will target the 10-year to 20-year and 20-year to 30-year sectors, raising the maximum size per operation from $2 billion to at least $4 billion.

• US Treasury Secretary Scott Bessent has initiated a new round of debt buybacks to combat rising long-term borrowing costs. • The move comes as Treasury yields hit multi-year highs, prompting the administration to intervene to stabilize the market.

• On August 20, Asian markets saw a strong rebound, with South Korea's KOSPI Index surging 5.89% to 6,852.58 points and Japan's Nikkei 225 rising 1.36% to 66,216.79 points. • Major tech stocks led the rally, including SK Hynix (up over 12%), Samsung (up over 9%), and Kioxia (up over 6%), while the Korea Exchange activated a Sidecar mechanism to manage program buying.

• Asian stock markets rallied on Thursday, Aug 20, following a surprise intervention by the US Treasury to stabilize bond markets. • The US Treasury announced it will "at least double" the issuance of long-term bonds to lower borrowing costs, which had recently surged to near two-decade highs.

• Asian equities rallied on Thursday, led by South Korea's KOSPI index, which surged nearly 6% during intraday trading. • The surge was primarily driven by a more than 5% jump in SK Hynix shares following the company's announcement of a stock buyback.

• Asian currencies have strengthened following a decline in U.S. Treasury yields, which reduced pressure on regional exchange rates. • The South Korean won notably surged to its highest level in one year as part of this broader regional rally.

• Asian stock markets advanced on Thursday, August 20, 2026, following positive trends from Wall Street. • South Korea's benchmark Kospi index saw the most significant gain, rebounding by more than 6%.

• South Korea's Kospi index surged 4%, leading a broader rally across Asian markets following a positive trend in bond yields. • The MSCI Asia Pacific index rose by 1%, effectively ending a two-day losing streak for the region.

• The Sensex rose by 600 points and the Nifty climbed above 24,200, breaking a seven-day losing streak for the latter. • The rebound was driven by positive global cues, including gains in Asian markets and a recovery in U.S. indices.

• The US Treasury announced it is at least doubling the size of liquidity support buyback operations for longer-dated nominal coupon securities (10y to 20y and 20y to 30y). • The maximum size per operation will increase from $2 billion to at least $4 billion.