Technology is the best-performing sector in the S&P 500 this year thanks to a big assist from semiconductor stocks. Various semiconductor exchange traded funds tell the tale of the tape. For example, the iShares PHLX Semiconductor ETF SOXX is up more than 36 percent year-to-date. Heading into the end of 2017 and early 2018, some market observers are voicing concerns about semiconductor demand trends, noting that robust demand will be hard to keep up through 2018. However, some analysts are bullish on chip stocks and ETFs. SourceStochastics are overbought, so the upside is over. The price will go down to the lower edge of the rising wedge and will try to break it out. $SOXX, iShares Semiconductor ETF / D