Concerns about escalating violence in the Middle East weighed the markets down to a lower close with the Dow losing 40 points to 17,678. Nasdaq fell 13 points to 4,863.

On the upside

A district court granted On Track Innovations' (Nasdaq: OTIV) motion for a summary judgment that T-Mobile infringed on On Track's patent.

GenFit reported disappointing data from a clinical trial which lifted shares of competitor Intercept Pharmaceuticals (Nasdaq: ICPT).

Bloomberg reported that Synergy Pharmaceuticals (Nasdaq: SGYP) was exploring a possible sale of the company.

On the downside

Enova International (NYSE: ENVA) affirmed its guidance for the full year but the stock price fell.

Shares of World Acceptance (Nasdaq: WRLD) extended its losses.

Possible changes to the process that royalties are collected from coal mined on federal land weighed down shares of Peabody Energy (NYSE: BTU).

In the broad market, declining issues outpaced advancers by a margin of more than 3 to 2 on the NYSE and by nearly 5 to 4 on Nasdaq. The broader S&P 500 slipped 4 points to 2056. Bitcoin added $1 to $246.