Paychex (PAYX) Latest Stocks Drop as Treasury Yields, Rate-Hike Odds Rise: Stock Market Today S&P Global's preliminary PMI readings for September showed price pressures remain a major concern. 10 Expensive Stocks to Steer Clear Of stocks Expensive stocks with mediocre growth prospects can drop the most when the whole market starts to slide. These 10 stocks could be at high risk. By Jeff Reeves stocks