By Joe Wallace

Wall Street's "fear gauge" is on the rise after President Trump's threat of tariffs against Apple and the European Union.

-- The CBOE Volatility Index rose to just under 25, from 20.28 on Thursday.

-- The index is still a far cry from its highs of over 50 after "Liberation Day" in early April.

The VIX draws on options prices to measure expected S&P 500 volatility over the next 30 days. Moves in options markets and the VIX can feed back into the underlying stock market, because of interconnected positions taken by investment banks.

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(END) Dow Jones Newswires

May 23, 2025 09:16 ET (13:16 GMT)

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