Samsung Electronics is trading 3.03% down at $4608.00, amid a broader semiconductor sell-off and heavy foreign investor selling in South Korea. - The pullback continues from the October 5 close of $5120.00; South Korean shares and chipmakers fell sharply on October 12. - Inflation concerns, elevated oil prices amid renewed Middle East tensions, semiconductor ETF rebalancing and concern that Samsung and SK hynix may have completed share buybacks were also cited. - Samsung’s planned chip investment in Vietnam is significant, but reports do not identify it as the cause. Supplied U.S. index figures are mixed and do not establish a broad U.S. market-driven cause.