An investment chief who oversees $29 billion explains why he's bullish on a niche industry that's 'like the red blood cell of tech' — and shares 2 stocks he's buying

· Dan Chung, the CEO and chief investment officer of Alger, is focused on investing in companies that are likely to outlast the ongoing economic downturn. 
· In a recent interview with Business Insider, he explained why semiconductor-equipment makers fit this bill. 
· He named Lam Research and Applied Materials as prime...