Lots of people been calling the start of a bear market and saying the market has topped. From what I have seen in the past, the current price formation on the SPY chart doesn't look like a top to me.
SPY (monthly):
(click on the chart to enlarge)
Here is a mocked up chart with the price action showing what a top might look like and a projection of the top formation being made in February 2016 and the start of a reversal in March 2016.
SPY (for illustration purposes only):