Wall Street in 2016: What could possibly go wrong?

Go back to Wall Street in 2016: What could possibly go wrong?
S&P DEP RECEIPTS (NYSE: SPY) Delayed: 767.13 +7.16 (0.94%)
Previous Close $759.97    52 Week High $219.60 
Open $762.25    52 Week Low $181.02 
Day High $767.73    P/E N/A 
Day Low $761.63    EPS $0.00 
Volume 9,584,116