iStockphoto Should you follow the stampede?Success breeds success and strength begets more strength—that will likely be the overriding theme for stocks going forward as strong fundamentals, positive sentiment and favorable seasonality keep an already pumped-up market on a steady adrenaline rush. All major indexes closed at records this week with the Dow Jones Industrial Average DJIA, +0.04% and the S&P 500 SPX, +0.13% logging eight straight weekly gains, the longest for both since November 2013. The NasdaqCOMP, +0.33% also notched its 63rd closing record in 2017, the most ever in a single year, according to the WSJ Market Data Group. Ian Winer, head of equities at Wedbush, said it was technically a very bullish week, particularly for the Dow, which tested new highs almost every day. Now a potent mix of looming tax cuts along with robust earnings may be setting stocks up for what could be a truly spectacular finale to a memorable year.via