The S&P 500 was up 0.1% in midday trading to 2,667.58.

The Dow Jones Industrial Average fell 0.1% to 24,463.47.

The Nasdaq was flat at 7,142.25.

The yield on a 10-year Treasury bond dropped 0.3% to 2.83%.

The price of gold was up 0.5% to $1,348.

HEALTHCARE

Glaukos Corp. (NYSE: GKOS) in San Clemente was down 9% to $27.93 and a $970 million market cap. Stifel Nicolaus downgraded the glaucoma stent-maker’s shares to “hold” from “buy” and cut its price target to $32 from $39. The analyst cited a survey of eye doctors who said they planned to use competing products once those are approved for use, which could erode Glaukos’ market share.

RESTAURANTS

BJ’s Restaurants Inc. (Nasdaq: BJRI) in Huntington Beach was up 8% to $49.50 and a $1 billion market cap, n high volume. All-time high of about $53 was set in July 2011. The casual dining chain is expected to report Q1 results April 26.

SERVICES

AutoWeb Inc. (Nasdaq: AUTO) in Irvine was up 9.2% to $3.56 and a $47 million market cap. The automobile sales leads provider named Jared Rowe its new president and chief executive; he previously worked for Kelley Blue Book and AutoTrader.

ShiftPixy Inc. (Nasdaq: PIXY) was down 12.5% to $3.24 and a $93 million market cap. It reported unaudited results for its most recent quarter: a net loss of $2.7 million, compared with a net loss of $960,000 year-over-year. ShiftPixy gross billings, revenue and employees in the quarter grew but gross profit declined. The company provides temp and shift workers to restaurants via smart phone app. Cash and cash equivalents as of Feb. 28 were $900,000 versus $5.9 million at the end of August.