During trading today, both the Technology sector (XLK) and the S&P500 showed little movement.

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 6% over the last thirty trading days while the S&P 500 climbed -4.5%.

magicJack VocalTec (CALL) was a major loser in the sector, falling 13.7% (-$2.99) to close at $18.87 with 896,961 shares moving. The stock traded between $18.55 and $22.13. The stock is down over the last two months, having fallen $8.13 (-30.1%) from a price of $27 on March 19, 2012.

SINA Corporation (SINA) was a significant gainer in the sector, rising 11.1%. The stock closed at $57.41 with 9.8 million shares moving. The stock traded in a range of $56.61 to $59.96. The stock has been sinking in the last two months, down $16.69 (-22.5%) from a price of $74.10 on March 19, 2012. Similarly, ASM International N.V (ASMI) gained today, increasing $2.19 (+6.1%) to close at $38.07.

OPNET Technologies (OPNT) fell 5.3% to close at $25.90, crossing its 50-day moving average of $24.63. Meanwhile, QIHOO 360 Technology (QIHU) climbed 4.7% to close at $20.72, moving past its 200-day moving average of $20.11.

Hollysys Automation Technologies (HOLI) rose 6.3% to close at $9.11, approaching its 50-day moving average of $9.91. It has also moved closer to its 200-day moving average of $9.21.

Radware (RDWR) hit a new 52-week high today, reaching $40.83 to top the previous high of $39.48.