India, July 15 -- Aehr Test Systems, Inc. (AEHR) shares surged 34.25 percent, gaining $24.66 to trade at $96.67 on Wednesday possibly after the semiconductor test equipment maker reported yesterday a return to quarterly profitability and stronger revenue.

The stock opened at $98.35 and traded between $95.00 and $110.20 during the session on the Nasdaq. It has traded in a 52-week range of $14.01 to $126.62. Trading volume reached 5.37 million shares, compared with an average daily volume of 2.51 million shares.

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For the fourth quarter, the company posted net income of $1.39 million, or $0.04 per share, compared with a net loss of $2.90 million, or $0.10 pe...