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.
Tottenham Hotspur striker Harry Kane scored twice against Aston Villa boss Dean Smith's side this season.
Greg Taylor could reportedly return to Glasgow to join his former Old Firm rivals Celtic but will the Scottish Premership champions do a deal?
Everton are the only Premier League side whose defence has not been breached so far this season.
Odsonne Edouard scored for Neil Lennon’s Celtic at Celtic Park on Thursday evening.
Steven Gerrard’s Glasgow Rangers drew in Poland on Thursday.
Arsenal and Liverpool are due to face off against each other at the weekend, with Unai Emery's and Jurgen Klopp's sides unbeaten so far.
Leeds United are unbeaten after four Championship games.
Leeds United enhanced their promotion credentials on Wednesday night.
Jan Vertonghen is yet to start a Premier League game for Tottenham Hotspur this season.
West Bromwich Albion forward Jonathan Leko has been loaned out to Charlton Athletic for the season.