What follows is a look at stocks in the S&P 500 displaying unusual volume in today's trading session. 

Some of the highlights include: American International Group (AIG), Citigroup (C), Huntington Bancshares (HBAN) and Zions Bancorp (ZION).

Stocks Trading 80% Above Their 100-Day Avg.

TICKERCOMPANYPRICECHANGE%CHANGE
SC0Y-DEInvesco STOXX Europe 600 Optimised Insurance UCITS ETF170.44+0.36+0.21%
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CFCF Industries Holdings Inc76.22-1.10-1.42%
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