The Health Care sector (XLV) held steady on a trading day that saw S&P 500 drop 0.3%.

The ETF, as a proxy for the sector, tracked closer to the overall market today than over the past week. Going into trading today, the S&P 500 was up 0.8% over the last seven trading days, but XLV was up 0.2%.

Sunrise Senior Living (SRZ) was a major gainer in the sector, rising 14.6% (+91 cents) to close at $7.13 with 2.1 million shares moving. The stock traded in a range of $6.35 to $7.39.

China Biologic Products (CBPO) fell 4.7% to close at $9.03, crossing its 50-day moving average of $9.23. Meanwhile, Varian Medical Systems (VAR) climbed 1% to close at $65.22, moving past its 200-day moving average of $64.61.

InterMune (ITMN) rose 4.6% to close at $12.26, approaching its 50-day moving average of $12.96. It has also moved closer to its 200-day moving average of $15.99. Shire Plc. (SHPGY) rose 1.7% to close at $99.15, getting closer to its 200-day moving average or $99.37.

Fonar Corporation (FONR) was a major loser in the sector. Its price dropped 7% (-38 cents) to close at $5.10, as 401,051 shares moved. The stock traded between $5.06 and $5.49.

Protalix BioTherapeutics (PLX) hit a new 52-week high today, reaching $7.70 to top the previous high of $7.33.