On a trading day that saw the S&P 500 gain 2%, the Technology sector (XLK) showed little change.

The ETF, as a proxy for the sector, tracked closer to the overall market today than over the past week. Going into trading today, XLK was up 1.4% over the last seven trading days while the S&P 500 went up 0.5%.

OpenTable (OPEN) was a major gainer in the sector, rising 15.8% (+$5.40) to close at $39.55 with four million shares moving. The stock traded in a range of $38.27 to $41.24. Share price went up over the last three months, now up $3.06 (8.4%) from $36.49 on May 8, 2012. American Science & Engineering (ASEI) also gained today, climbing $4.83 (+8.8%) to close at $59.71.

Active Network (ACTV) was a major loser in the sector, falling 15.8% (-$2.20) to close at $11.75 with 1.6 million shares moving. The stock traded in a range of $11.43 to $13.50. The stock has been losing steam over the last month, falling $3.67 (-23.8%) from a price of $15.42 on July 5, 2012.

FEI Company (FEIC) rose 12.4% to close at $52.48, cross its 50-day moving average of $47.62 and 200-day moving average of $46.29. Rubicon Technology (RBCN) declined 13.5% to close at $9.26, moving below its 50-day moving average of $10.17 and 200-day moving average of $10.03.

Salesforce.com (CRM) rose 5.7% to close at $128.27, approaching its 50-day moving average of $131.37. It has also moved closer to its 200-day moving average of $136.47.