The S&P 500 was down 0.3% in midday trading to 2,291.05.

The Dow Jones Industrial Average was down 0.1% to 20,049.34.

The NASDAQ was down 0.2% to 5,655.98.

The yield on a 10-year Treasury bond fell 3.1% to 2.41%.

The price of gold rose 1.1% to $1,234.

SERVICES

Willdan Group Inc. in Anaheim was up 4.5% to $28.78 and a $239 million market cap on above average volume. The engineering services provider’s shares have doubled in value over the last six months.

Collectors Universe Inc. in Santa Ana was down 3.5% to $24.04 and a $212 million market cap on profit-taking. The collectibles authenticator’s shares rose 25% Friday after a well-received quarterly report.

TECHNOLOGY

Lantronix Inc. in Irvine was up 3.5% to $2.16 and a $38 million market cap on high volume. Shares in the data security and Internet of Things services provider are up 32% over the last 10 days.