S&P 500 Index (SP500), SPY

franckreporter/iStock via Getty Images
The S&P 500 (SP500) on Friday advanced 2.70% for January to end at 6,040.53 points. Its accompanying SPDR S&P 500 ETF Trust (NYSEARCA:SPY) added 2.69% for the month.
To say it was an eventful month would surely be an understatement. Market participants went