7. Ultratech ( UTEK) develops photolithography and laser-thermal-processing equipment designed for chipmakers. The company's second-quarter earnings are due July 21.

Of the five analysts covering the stock, 60% say it's a "buy" and the rest rate it a "hold." Analysts polled by Bloomberg expect the stock to increase an average 21.4% to $37 within a year.

According to a Bloomberg poll, the company may report sales of $52.07 million, up 65% from $31.55 million. Net income is seen at $9.54 million, or 35 cents per share, versus $3.62 million, or 15 cents.

In early May, the company announced the opening of its Asia Technology Center (ATC) in Taiwan, which will build products for the emerging HB-LED market.

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