Altair Engineering’s $10 billion-plus deal to be acquired by Siemens is the biggest deal by dollar value since Dupont’s merger with Midland-based Dow Chemical Co. (That "merger of equals" stock swap ...

Altair Engineering shares have climbed slightly more than 2% since the beginning of the year, while the S&P's 500 index has risen 4%. In the final minutes of trading on Thursday, shares hit $111.78, ...

(AP) — TROY, Mich. (AP) — Altair Engineering Inc. (ALTR) on Thursday reported fourth-quarter net income of $996,000. On a per-share basis, the Troy, Michigan-based company said it had net ...

Learn more about whether Altair Engineering Inc. or QXO, Inc. is a better investment based on AAII's A+ Investor grades, ...

Learn more about whether Agilysys, Inc. or Altair Engineering Inc. is a better investment based on AAII's A+ Investor grades, ...