1 Chip Stock Warren Buffett Just Bought Warren Buffet recently purchased shares of chip giant Taiwan Semiconductor (TSM) worth more than $4 billion. The company enjoys a leadership position in the field of advanced semiconductors. However, is… Previous Article A Machine That Turns Rotten Groceries Into Energy? Meet the Guys Making Waste Useful. Next Article What Do Britney Spears' Perfume, Ghirardelli Chocolate and Toms Shoes Have In Common? They All Use This Overlooked Sales Strategy.