Steelmakers throughout Asia cringed earlier this week when they heard the news that Aussie mining giant Rio Tinto PLC (ADR: RTP) had secured a 97% price increase for its iron-ore. But getting Rio out of the way was only half the battle, because now steelmakers are forced to confront BHP Billiton Ltd. (ADR: BHP) and its chief executive, Marius Kloppers, who may not be so easily placated.

Morningstar analyst, Justin Fuller, reviews the changes to Berkshire Hathaway's portfolio in this first part of a two article series.

This article provides some perspective into Seth Klarman's investment philosophy. “At Baupost, we are big fans of fear."

Klarman has always stressed that the future is completely unpredictable. Investors must be prepared for any eventuality. The river may overflow its banks only once or twice in a century, but you still buy flood insurance.

Geoff Gannon explains when you should and when you shouldn't invest based on news of Berkshire Hathaway's activities in specific stocks. This is a great article that all Warren Buffett fans should read. (Not to mention, it also recommends Value Investing News and Fat Pitch Financials.)

Excerpt: "There's no need to reinvent the wheel. Buffett, the smartest investor ever, has done a lot of work for us when he buys a position and then discloses his holdings. Studying in the footsteps of the master and his disciples, but using that as a starting point for your own research, will end up being a very lucrative practice."

GuruFocus just updated its information on Marty Whitman's holdings. Whitman runs Third Avenue Value Fund. Since inception (November 1990) the fund has delivered average annual returns of 16.78%.

An article discussing the fact that South Korean stocks are attracting value investors - including Warren Buffett. The article isn't anything special, but it's worth noting a mainstream media account of Korea and Buffett's disclosure of Berkshire's 4% stake in Posco (PKX) .

A blog post discussing Korean steelmaker Posco (PKX) in response to the inclusion of that company's name in the table of Berkshire's major common stock investments found in Warren Buffett's annual letter to shareholders (just released). The post discusses Berkshire's 4% stake specifically and the Korean steelmaker generally.