Apple, Precision Castparts and NewMarket were among the companies in the 2010 IndustryWeek 50 Best Manufacturing Companies stock index posting the biggest gains in early trading today.
As of 9:45 a.m. EST, shares of Apple Inc. were up $2.62 to $346.06, amid buzz being created by anticipated new-product announcements at the company's annual conference for software developers.
Apple ranks No. 3 on the 2010 IW 50 Best Manufacturing Companies list, published annually in IndustryWeek.
Shares of NewMarket Corp., a Richmond, Va.-based chemical manufacturer (No. 20 on the IW 50 list), were up $2.58 to $165.25 in early trading.
Shares of Precision Castparts Corp., a Portland, Ore.-based manufacturer of metal components and products (No. 20 on the IW 50), were up $1.95 to $155.09.