Blackstone's Byron Wien unveils his big surprises for 2017
Wien believes these things have a better-than-50% chance of happening, but the average investor anticipates a less than 30% likelihood of occurring.
Wien started this tradition in 1986, when he was Morgan Stanley's top investment strategist, and he continued it when he joined Blackstone in 2009.
The predictions range from political (President-elect Donald Trump will step away from extreme positions) to financial (the 10-year yield will approach 4%).
Here they are: