Warren Buffett’s Berkshire Hathaway will invest $5 billion in Bank of America, stepping in to shore up the company in the same way he helped prop up Goldman Sachs during the financial crisis.

Bank of America shares rose 20 percent in pre-market trading on the news. Shares for the largest U.S. bank by assets have lost roughly a third of their value in August, and half their value since the beginning of the year.

The news of Steve Jobs’s resignation had many of his peers weighing in on the Apple co-founder’s legacy. Former Google CEO Eric Schmidt said Jobs is the “most successful CEO in the U.S. of the last 25 years,” while former eBay CEO Meg Whitman said his contributions are “unparalleled in the business world.”

Samsung Electronics Co reiterated on Thursday it is not interested in buying Hewlett-Packard Co’s PC business, shooting down persistent market talk the South Korean firm may snap up the unit to become the world’s top PC maker.

The deadline for initial bids in the auction for Hulu was extended until the end of the week to allow interested parties more time to examine the online video site’s financial information, according to people familiar with the situation. Yahoo, Google Inc, DirecTV and Amazon.com were among the parties preparing to submit an offer for the U.S. online company, the people said.