Stocks of cyber security companies were mixed Thursday, with a standout performance from Carbon Black, Inc. (CBLK) - Get Report in the regular session ahead of the announcement it's being acquired by VMware Inc. (VMW) - Get Report .
Among notable cyber security stocks, six rose while 12 fell.
The Nasdaq Composite Index fell 28.82 points, or 0.36%, to 7,991.39.
Eleven cyber-security stocks outperformed the Nasdaq Composite while seven lagged.
Among sector ETFs, the ETFMG Prime Cyber Security ETF ETF (HACK) - Get Report fell 13 cents, or 0.34%, to $38.38. The First Trust NASDAQ Cybersecurity ETF (CIBR) - Get Report fell 17 cents, or 0.59%, to $28.87.
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