Nathan Cofnas, who exposed Cambridge professor Jason Arday’s plagiarism, suspended by Ghent University

South Korea’s Kospi plunged more than 10% on Tuesday as a global semiconductor sell-off battered technology heavyweights. SK Hynix tumbled 11% after its US-listed shares hit a record low, while Samsung Electronics fell over 9%, triggering market-wide trading curbs. Rising competition from China and weakness in chip stocks further weighed on investor sentiment.

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Wall Street opened lower on Wednesday as renewed U.S.-Iran tensions weighed on sentiment and clouded Middle East peace prospects. The Dow, S&P 500 and Nasdaq declined at the open, signalling a cautious start to the second half of 2026 amid geopolitical uncertainty and its potential impact on global markets and investor risk appetite.