Shares of ACM Research (NASDAQ: ACMR), a semiconductor equipment company, were all over the board today after the company reported its third-quarter results. The company's stock initially fell by as much as 13.7% this morning, but later rebounded in the afternoon.

The semiconductor stock was up by 3.2% as of 1:36 p.m. ET.

Investors sent ACM's stock on a roller-coaster ride today as they processed the company's latest quarterly results and updated revenue guidance. The company's non-GAAP (adjusted) earnings of $0.57 per share were up 35% from the year-ago quarter and easily surpassed Wall Street's consensus estimate of $0.34 per share.

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Source Fool.com