The best performing sector as of midday Wednesday is the Technology & Communications sector, up 0.9%. Within that group, First Solar Inc (Symbol: FSLR) and Analog Devices Inc (Symbol: ADI) are two large stocks leading the way, showing a gain of 16.4% and 9.1%, respectively. Among technology ETFs, one ETF following the sector is the Technology Select Sector SPDR ETF (Symbol: XLK), which is up 0.1% on the day, and up 11.81% year-to-date. First Solar Inc, meanwhile, is up 43.28% year-to-date, and Analog Devices Inc is up 19.50% year-to-date. Combined, FSLR and ADI make up approximately 1.4% of the underlying holdings of XLK.

The next best performing sector is the Healthcare sector, up 0.3%. Among large Healthcare stocks, Moderna Inc (Symbol: MRNA) and Pfizer Inc (Symbol: PFE) are the most notable, showing a gain of 11.4% and 2.5%, respectively. One ETF closely tracking Healthcare stocks is the Health Care Select Sector SPDR ETF (XLV), which is up 0.3% in midday trading, and up 7.96% on a year-to-date basis. Moderna Inc, meanwhile, is up 60.92% year-to-date, and Pfizer Inc is up 4.57% year-to-date. Combined, MRNA and PFE make up approximately 3.9% of the underlying holdings of XLV.

Comparing these stocks and ETFs on a trailing twelve month basis, below is a relative stock price performance chart, with each of the symbols shown in a different color as labeled in the legend at the bottom:

Here’s a snapshot of how the S&P 500 components within the various sectors are faring in afternoon trading on Wednesday. As you can see, two sectors are up on the day, while six sectors are down.

25 Dividend Giants Widely Held By ETFs »

Also see:

• Cheap REIT Stocks
• PIPR Options Chain
• Funds Holding DLCA

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.