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 midfielder Giovani Lo Celso's arrival at White Hart Lane has caused great excitement.
Leeds United are due to take on Salford City in the Carabao Cup later this evening.
Celtic reportedly want Greg Taylor but why aren't Ibrox side Glasgow Rangers in the conversation anymore?
Arsenal fans are excited to see youngster get more chances.
The Ibrox winger, who officially joined Steven Gerrard's Rangers at the start of the summer, shared the Scot's post on Instagram.
Nottingham Forest striker Jason Cummings was on loan at Glasgow Rangers in 2018.
Tottenham Hotspur make the trip to Premier League champions Manchester City this weekend.
The one-time Leeds United player might win the European Super Cup tomorrow.
Scottish Premiership champions Celtic arguably need a new goalkeeper but could they turn to Southampton's Premier League outcast Fraser Forster.
Tottenham Hotspur defender Serge Aurier is reportedly wanted by PSG.