"Once the masses accept every pullback as simply another buying opportunity and ignore the risk in stocks, the end of a bull market is near. This was the case during virtually every strong bull market in history."
- Mark Minervini, momentum stocks trader profiled in the Stock Market Wizards book (October 3rd, 2018)
Related trading instruments: SPDR S&P 500 ETF Trust (SPY), Russell 2000 Index ETF (IWM)