Blackstone's Byron Wien believes the rally is in a danger zone.
Wien said speculation in the market could reach an extreme as the U.S. economy has a better year than 2017.
Despite the rough start to the year, Blackstone's Byron Wien told CNBC he thinks the S&P 500 will produce a 15 percent return for 2015.
How will the economy and markets play in 2014? What about Hillary Clinton and Ted Cruz? Blackstone Advisory Partners' Byron Wien gives his annual new year's predictions.
12 golden rules.
Byron Wien, Vice Chairman, Blackstone Advisory Partners, has issued his list of Surprises for 2012.
The Leeds United youngster was handed a six-week suspension in early September.
Ryan Jack hobbled off during Rangers' match in the Europa League last night.
Arsenal ace Mesut Ozil was not included in the squad to face Standard Liege.
Leeds United forward Tyler Roberts was substituted on and off in midweek.
Arsenal youngster Ainsley Maitland-Niles failed to impress supporters with his performance last night.
Everton have not been in great form in the Premier League this season.
Leeds face Millwall on Saturday.
The Wolverhampton Wanderers academy graduate had a night to forget for Nuno Espirito Santo and co despite the Molineux side's win.
Kieran Tierney joined Arsenal from Celtic in the summer transfer window.
Alfredo Morelos's strike counted for nothing as Steven Gerrard's Rangers lost to Young Boys of Bern in the Europa League on Thursday.