The S&P 500 lost 0.9% while the Technology sector (XLK) showed little movement during trading today.

As a proxy for the sector, the ETF tracked closer to the overall market today than over the past month. Entering today's trading, XLK was down 1% over the last thirty trading days while the S&P 500 climbed 0.3%.

HealthStream (HSTM) was a major gainer in the sector, rising 14.1% (+$3.29) to close at $26.56 with 658,502 shares moving. The stock traded in a range of $24.01 to $27.49. Over the last two months, shares have shown some positive movement as the price has climbed $4.25 (19%) from a price of $22.31 on May 24, 2012. Baidu (BIDU) and CalAmp (CAMP), in the same sector, also saw major gains today.

Bruker Corporation (BRKR) was one of the sector's big losers, as its price dropped 13.7% (-$1.83) to close at $11.53. 6.1 million shares of the stock moved. The stock traded in a range of $9.91 to $11.92. The stock has been dipping in the last two months, down $3.39 (-22.7%) from a price of $14.92 on May 24, 2012.

Sanmina-SCI Corporation (SANM) rose 10.6% to close at $7.94, cross its 50-day moving average of $7.52 and 200-day moving average of $9.08.

21Vianet Group (VNET) rose 4.2% to close at $10, approaching its 50-day moving average of $10.94. It has also moved closer to its 200-day moving average of $11.17. Cymer (ENR) fell 3.6% to close at $58.51, moving closer to its 50-day moving average of $57.53. Also, the stock moved closer to its 200-day moving average of $74.44.