South Korean shares declined on Monday, ending a five-day winning streak as investors sold technology and other large-capitalization stocks to book profit.

The Korea Composite Stock Price Index, or Kospi, was down by 11.06 points, or 0.42%, to close at 2,632.07. The Kosdaq was up by 0.81 points, or 0.11%, to 720.22.

In economic news, the total assets of South Korea's savings banks fell 4.5% year-on-year to 120.9 trillion won in 2024, mainly due to a 6.2 trillion won drop in business loans, the Financial Supervisory Service said.

Deposits declined by 4.9 trillion won to 102.2 trillion won, while shareholders' equity declined to 14.5 trillion won as banks remained in the red. However, net losses narrowed to 397.4 billion won from 575.8 billion won, helped by higher interest income and lower bad debt expenses.

The overall delinquency rate increased to 8.52% from 6.55%, with business loan delinquencies surging to 12.81% from 8.02%.

In corporate news, Korea Electric Power (KRX:015760) will keep the adjusted unit fuel cost at 5 won per kilowatt-hour for the second quarter of 2025, despite a planned reduction to -4.2 won due to declining fuel prices.

The Ministry of Trade, Industry and Energy directed the state-run electric power distribution company to freeze the rate to support its financial stability. The rate has remained unchanged since the third quarter of 2022.

Shares of Korea Electric Power rose nearly 1% at market close on Monday.

In other news, Samsung Electronics (KRX:005930) introduced its latest smart refrigerators, which feature a nine-inch AI Home screen on four-door, French Door, and side-by-side models, along with an enhanced Family Hub screen.

The upgraded AI Vision Inside can now recognize 37 food items, including processed foods, and save up to 50 frequently stored items with designated names. Based on this data, the system provides recipe recommendations and meal planning, the electronics products maker said Monday.

Shares of Samsung Electronics fell nearly 2% at market close.