Sunset scene of light trails traffic speeds through an intersection in Gangnam center business district of Seoul at Seoul city, South KoreaShares of South Korean chipmakers SK Hynix and Samsung Electronics hit record highs Friday, after a near-weeklong holiday, boosted by a series of artificial intelligence deals.SK Hynix shares jumped 10% while Samsung Electronics rose nearly 6% to hit fresh records, according to data from FactSet.The two companies are set to benefit from an OpenAI and Advanced Micro Devic ...