Photronics Up Nearly 5% On Heavy Volume (PLAB)

Photronics, Inc. PLAB shares are up nearly 5% today on heavy volume. 1.1 million shares have traded so far today, versus the average of just over 1 million for an entire trading day. At last check, shares were up 36 cents to $9.12, a gain of 4.11%. Photronics, Inc. engages in the manufacture and sale of photomasks primarily in the United States, Europe, and Asia.