The company, which was created nearly six years ago as a way to help people find spare rooms and couches to sleep on, is in advanced talks to raise more than $400 million in capital, a round of financing that would value it at more than $10 billion, people briefed on the matter said on Thursday. Such a valuation would surpass that of Hyatt, the 57-year-old hotel stalwart, and make Airbnb the latest technology start-up firm to gain an eye-popping net worth. Investors hungry for a piece of the fastest-growing start-ups have opened their wallets, hoping to get even a small piece of the action before what they hope will be a giant payday. But Airbnb, a centerpiece of what has become known as “the sharing economy,” is also drawing increasing scrutiny from regulators concerned about safety, rental laws and tax collections. The company has become a point of contention among landlords in big cities, as well. Get the full story at The New York Times Read also "Airbnb might be worth more than Hyatt Hotels" at