Over the course of the last few years, Warren Buffett has slowly amassed the largest reserve of cash and equivalents his Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) has ever had on its books. While the now-$334 billion he has sitting on the sidelines makes more sense in the face of an uncertain market,

Warren Buffett, the legendary investor and chair of Berkshire Hathaway (BRK.B), has taken the highly unusual step of weighing into politics.

Berkshire Hathaway has a $321 billion cash pile, but close followers of Warren Buffett's company say it might hold off on buying into the market rout.