Allegheny Technologies (ATI) Soars to 52-Week High, Time to Cash Out? Posted byZacks Equity Research February 18, 2022 Leave a comment on Allegheny Technologies (ATI) Soars to 52-Week High, Time to Cash Out? Allegheny Technologies (ATI) is at a 52-week high, but can investors hope for more gains in the future? We take a look at the company’s fundamentals for clues.