Bullish stock market investors will soon be their own worst enemy By: MarketWatch January 14, 2020 at 06:10 AM EST Investors are pushing up stock prices too fast, which will lead to a pullback once the number of buyers dries up. Read More >> Related Stocks: Dow Industrials SPDR Nasdaq Composite Nasdaq ETF Russell 2000 Ishares ETF S&P Depository Receipts