Warren Buffett takes on Donald Trump

Media mogul Michael Bloomberg, claimed Trump's blemished record included numerous bankruptcies and lawsuits by thousands of angry shareholders.

Warren Buffett mocked Donald Trump for being a stock market disaster: Trump Hotel & Casino Resorts lost money every year after its IPO and over a span of 10 years lost $650 million.

Trump's businesses declared bankruptcy 4 times in 25 years where creditors lost billions.

Bill Gates announced a list of people who signed "Giving Pledge" to give a significant part of their wealth to charity; he remarked Donald Trump was not on the list as he wasn't known for his philanthropy.

Mark Zuckerberg, co-founded an immigration reform group FWD. He has been openly critical of Trump's inward looking immigration policies as they distanced people and created fear.

Mark Cuban, a self-made billionaire, was initially intrigued by a businessman as a Presidential candidate.

However he recently attacked Trump's for his lack of in-depth knowledge of most issues discussed in a Presidential campaign.

He accused Trump of being devoid of a vision and ridiculed him for being clueless and disinterested about technology in this hyper-connected day and age.

At a rally with Hillary Clinton, Buffett launched a scathing attack on Donald Trump for his reluctance to make his tax returns public .

He implied that Trump exaggerated his success in business and had misled voters of his ability to tackle American economy's woes.

Revered by investors, Buffett's criticism of Donald Trump's cuts deep and raises fundamental questions concerning Trump's credentials.