The kospi and kosdaq indexes have experienced significant gains, with reported increases ranging from 2.52% to over 6% for the kospi and 5-6% for the kosdaq. The surge has triggered buy-side circuit breakers, although there are also reports of sell-side circuit breakers being activated and volatility persisting. The market's performance has been marked by fluctuation, with the kospi at one point reaching a record high and then giving back some of its gains.