MKS (MKSI) shares were up 7.1% in Tuesday afternoon trading after BMO Capital initiated coverage of the company's stock with an outperform rating and a $453 price target.
Trading volume stood at more than 1.1 million shares, compared with a daily average of over 1.2 million.
Price: $445.64, Change: $+29.64, Percent Change: +7.12%