The S&P 500 was flat in midday trading at 1,995.32.

The Dow Jones Industrial Average was up 0.1% to 16,930.53.

The Nasdaq was down 0.7% to 4,758.21.

The yield on a 10-year Treasury bond was up 1.5% to 2.09%.

The price of gold was down 0.4% to $1,144.

RESTAURANTS

Costa Mesa-based El Pollo Loco Holdings Inc. was up 8.6% to $12.02 and a $440 million market cap. Analysts at SunTrust Robinson Humphrey initiated coverage on the fast food chain with a “buy” rating and a $17 price target.

RETAIL

Irvine-based Tilly’s Inc. was up 6.8% to $8.28 and a $223 million market cap. Analysts at B. Riley upgraded the apparel chain to “buy” with an $11 price target. Tilly’s yesterday named industry veteran Edmond Thomas chief executive.

SERVICES

Irvine-based Resources Connection Inc. was up 7.7% to $17.28 and a $641 million market cap. The consulting and support company’s shares had traded by midday at more than twice its 90-day average.