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Investors focus on US tech earnings as South Korean shares lose early gains

South Korean shares closed slightly higher on Tuesday, after a sharp rise in the early going. However, caution before key U.S. technology earnings and chip earnings underscored the market's reliance on heavyweight chipmakers.

The benchmark KOSPI Index settled 0.7% higher, at 6,797.7, after rising 6.2% during early trading. This was largely due to a 9% increase in AI memory chips maker SK Hynix.

SK Hynix reversed its course and ended marginally lower, while Samsung Electronics finished slightly higher.

The'sharp swings' highlighted the dominance and power of Samsung Electronics, SK Hynix and other companies that together account for more than half of the KOSPI. These companies can have a major impact on the benchmark by leveraging their products and share prices.

Wei Li is the head of multi-asset investment at BNP Paribas Securities in China.

The performance of an equal-weighted index would be lower because traditional exporters like shipbuilders and autos, as well as?chemicals, have seen limited upside due to a softer global market.

The KOSPI surged in early trading, but the 11th sidecar trading ban in 15 sessions in this month was triggered by it. This highlights the increased volatility caused by the heavy concentration of chipmakers, at the heart of the AI boom.

Wall Street's overnight rebound set the tone for Wednesday's rally. Market participants, however, remained focused on Alphabet's results and those of chipmakers Intel and Texas Instruments.

Jason Lui is the head of APAC equity derivate strategy at BNP Paribas. He said that after the sharp drop in share prices, which was largely due to valuation, there should be a less crowded positioning going into major tech earnings.

Lui explained that this will help investors "better assess the growth prospects of companies in a fundamental way."

Other notable stocks included Hyundai Motor, Kia?Corp, and Samsung BioLogics.

In the week ending Tuesday, foreigners have invested around 2.71 trillion dollars. However, they remain net sellers for the year with more than $100 billion of?outflows.

On the onshore settlement platform the won last traded at 1.478 U.S. dollars, up from the previous day's 1,471.

(source: Reuters)