The S&P 500 was down 0.7% in midday trading to 2,089.59.
The Dow Jones Industrial Average was down 1% to 17,514.98.
The Nasdaq was dowm 0.7% to 5,093.43.
The yield on a 10-year Treasury bond was down 2.6% to 2.15%.
The price of gold was down 0.4% to $1,090.
Santa Ana-based Ingram Micro Inc. was down 2.5% to $26.56 and a $4.2 billion market cap in a session of profit-taking after an 11% gain on Friday, following the technology distributor’s most recent quarterly report.
Mission Viejo-based Cloud Security Corp. was up 21.4% to $8.50 and a $111 million market cap on high-volume. The Internet security provider had by midday traded shares at a rate more than twice its 90-day full-day average.