While the U.S. gave Huawei a 90-day reprieve, allowing American businesses to keep selling specific products to the Chinese firm, it also added more affiliates of the...Technologyread more
The attacks come after state and local ransomware attacks in New York, Louisiana, Maryland and Florida resulted in the loss of significant sums.Technologyread more
U.K. Prime Minister Boris Johnson told the EU that a Brexit deal can still be approved by U.K. lawmakers if Brussels agrees to scrapping the contentious Irish "backstop."read more
Baidu posted better-than-expected earnings for the June quarter, swinging back to profit and managing to stabilize its core ad business.Technologyread more
Several big Pimco funds controlled by Ivascyn have reportedly been trimming their bond market positions in the U.K. and Europe.World Marketsread more
United States Steel Corp will temporarily lay off hundreds of workers at its Great Lakes facility in Michigan in coming weeks, according to a filing the steelmaker made with...US Marketsread more
While Hong Kong leader Carrie Lam painted a bleak picture of the city's economy, she expressed hope that dialogue with protesters could provide "a way out."China Politicsread more
China's pursuit of the Middle East may spur growth in the Islamic finance sector.World Economyread more
Twitter and Facebook have suspended accounts believed to be tied to a state-backed disinformation campaign originating from inside China.Technologyread more
U.S. President Donald Trump and his former White House communications director Anthony Scaramucci have had a public falling out recently.Politicsread more
The report comes as Trump in recent days has lashed out over media reports about growing recession fears.Politicsread more
Twitter's valuation is in the eye of the beholder, Aswath Damodaran of the New York University Stern School of Business said Tuesday.
"I really think it depends on what you call yourself. If you're a trader, then all bets are off. You're betting on price," he said.
"If you're an investor and you think about value, I think at $20 billion, an awful lot has to go right for that $20 billion to be a break-even, forget about making money."
(Read more: 'A brilliant buying opportunity': Paul Richards)
On CNBC's "Fast Money, " the valuation expert and professor of finance said that Twitter, which has suggested a valuation of $12.8 billion in its bid to go public, would be a "buy" at $10 per share, or a $6 billion market capitalization.
At a $10.5 billion market cap, or $14.50 per share, Twitter gets a rating of "neutral" from Damodaran. And at a $20 billion market cap, or as a $35 stock, Twitter was a "don't buy."
(Read more: 'Buying until my hands bleed': Simon Baker)
"I'm a realist," he added. "I know that an IPO is a pricing game, that it's all about mood and momentum, and promise and potential. And everything's about multiples and comps. But I think we need to get a sense of the underlying reality here.
"My estimate is: To get a $10 billion value, they have to deliver about $12 billion in revenues in a decade. That's not easy to do."