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Stock comparison

AEHR vs COHR

Aehr Test Systems and Coherent Corp.

Aehr Test Systems

Last close: $134.06
Market cap: $4.4B
Sector: Information Technology
30d return: +91.6%
90d return: +166.8%
252d return: -

Coherent Corp.

Last close: $325.83
Market cap: $63.7B
Sector: Information Technology
30d return: -2.3%
90d return: +27.7%
252d return: -

Shared context

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Want the full picture? AEHR stock page · COHR stock page · full correlation matrix

Data refreshes daily. Last close 2026-08-15.