PKI - Needham upgrade lifts PerkinElmer; shares up 4% September, 11 2020 03:55 PM PerkinElmer Inc. Needham has upgraded PerkinElmer (PKI +4.0%) to Buy from Hold with a $139 price target (17% upside), also adding the stock to his Conviction Buy list.More news on: PerkinElmer, Inc., Healthcare stocks news, Read more ...