The S&P 500 was flat in midday trading at 2,924.59.

The Dow Jones Industrial Average rose 0.1% to 26,387.61.

The Nasdaq fell 0.4% to 7,943.38.

Crude oil dropped 2.7% to $55.19 a barrel

The price of gold declined 0.4% to $1,521 an ounce.

The current yield on the 10-Year U.S. Treasury bond rose 0.7% to 1.53%.

HEALTHCARE

Evolus, Inc. (Nasdaq: EOLS) in Newport Beach rose 9.1% to $17.19 and a $449 million market cap. Shares have risen 19% in the past three trading sessions. The company, a maker of a product that competes against Allergan’s Botox, licenses the drug from South Korea’s Daewoong Pharmaceutical Co., which is in a dispute with rival Medytox Inc. Daewoong today said court-ordered tests have shown it has "gained the upper hand" in the dispute on the origin of the botulinum toxin strain, according to the Korea Biodmedical Review website.

For more on Evolus, see the front page of the Sept 2 print edition of the Business Journal.

San Clemente’s Glaukos Corp. (NYSE: GKOS) fell 3.1% to $63.73 and a $2.2 billion market cap. Volume of more than 700,000 shares was twice the daily average of the past three months. Glaukos makes stents that treat glaucoma.