If you are picking a U.S. technology ETF, the choice almost always narrows to Fidelity MSCI Information Technology Index ETF (NYSEARCA:FTEC) and The Technology Select Sector SPDR Fund (NYSEARCA:XLK). Both look like the same trade: cheap, passive, mega-cap heavy. But XLK has quietly outrun FTEC 22.06% year to date versus 19.58%, and that gap traces ... XLK’s quiet edge over FTEC comes from a cap limit most investors never notice