The Kospi fell more than 5% on Wednesday, which brought it 20% below its June 19 record high, according to LSEG data.

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Past crashes reveal patterns worth watching.

Microsoft is one of five companies accounting for 27% of the S&P 500 market capitalization. (Photo by Chesnot/Getty Images) Markets were hardly changed for the second day in a row on Tuesday with both ...

Mutual funds approaching the IRS 50/5/10 portfolio concentration limit trim large positions, reduce equity exposure, and subsequently underperform.

A century of history has a message for everyone fretting over tech concentration in the stock market: don't sweat it. Looking at the past 100 years, the S&P 500 has continued rising in the year after ...

Is your portfolio making a big bet on the Magnificent Seven? Why it matters: Mega-cap names like Nvidia, Alphabet, and Apple belong to the exclusive club that has largely driven US returns higher in ...