The S&P 500 (SNPINDEX: ^GSPC) has been a big winner in 2016, bouncing back from a tough year in 2015 and picking up gains of more than 10% with just a few weeks left in the year. That might not sound like a major victory, but given a tough start in January and February, most investors have been generally pleased with the market’s performance. Let’s look more closely at how the S&P 500 did in 2016 and what events helped drive its ups and downs throughout the year.