The Health Care sector (XLV) held steady during a trading day that saw the S&P 500 grow 0.2%.

While being down today, the ETF, as a proxy for sector performance, tracked closer to the overall market today than over the past month. Entering today's trading, XLV was down 2.7% over the last thirty trading days while the S&P 500 was down 4.8%.

Aegerion Pharmaceuticals (AEGR) fell 2.5% to close at $13.56, crossing its 50-day moving average of $13.60. Meanwhile, DaVita (DVA) climbed 2% to close at $82.02, moving past its 200-day moving average of $81.66.

Ligand Pharmaceuticals (LGND) rose 10.7% to close at $12.72, approaching its 50-day moving average of $13.31. It has also moved closer to its 200-day moving average of $13.76. Ventrus Biosciences (SMA) fell 3.7% to close at $10.23, moving closer to its 50-day moving average of $10.19. Also, the stock moved closer to its 200-day moving average of $7.57.

Urologix (ULGX) was a major loser in the sector, falling 13.7% (-17 cents) to close at $1.07 with 17,550 shares moving. The stock traded between $1.05 and $1.29.

Novacea (TSPT) was a major gainer in the sector, rising 13.6% (+87 cents) to close at $7.25 with 335,590 shares moving. The stock traded in a range of $6.31 to $7.27. The share price has been slipping in the last month, down $3.75 (-34.1%) from $11 on April 25, 2012.

West Pharmaceutical Services (WST) hit a new 52-week high today, reaching $47.28 to top the previous high of $46.56.

Zeltiq Aesthetics (ZLTQ) hit a new 52-week low today, hitting $4.45 to fall below the previous low of $4.75.