The won-dollar exchange rate edged down amid a decline in the dollar index and dollar selling by exporters.

In the Seoul foreign exchange market today (the 30th), the closing price of the won against the U.S. dollar at 3:30 p.m. was recorded at 1,334.3 won.

This is down 2.5 won from the same time the previous trading day.

The exchange rate started the day at 1,338.5 won, stayed near flat for a while, and hit a low of 1,333.6 won around 3:20 p.m.

Tech stocks plummeted overnight on Wall Street.

The Dow Jones Industrial Average fell 0.25%, while the S&P 500 and Nasdaq Composite indices declined 0.30% and 1.38%, respectively.

Concerns over artificial intelligence (AI) investments were reignited after Alphabet's third-quarter revenue fell short of market expectations and its free cash flow (FCF) recorded a deficit for two consecutive quarters.

Alphabet shares plummeted 12.64%, and tech stocks across the board declined, including Micron (-4.98%), AMD (-1.58%), and AMD (-2.08%).

U.S. Treasury yields trended downward, and the dollar index also declined.

The dollar index, which measures the value of the dollar against six major currencies, fell 0.473 to 101.781.

Influenced by the U.S. stock market, the KOSPI dropped 3.48% from the previous session to 5,730.74.

Due to the sharp decline, a program selling sidecar (temporary suspension of program trading sell orders) was triggered on the main bourse around 10:05 a.m.

Foreign investors net sold 1.617 trillion won worth of shares on the main stock market on this day.

Downward pressure was exerted as month-end dollar-selling (negotiation) orders by semiconductor export companies flowed in steadily.

The yen-dollar exchange rate fell 0.24 yen to 157.60 yen.

The won-yen cross rate stood at 846.74 won per 100 yen, remaining unchanged from the previous day.

(Photo: Yonhap News)