NEW YORK ( TheStreet) -- German LED equipment maker Aixtron ( AIXG) hit a 52-week high on Tuesday morning.

German market news reports indicated that Commerz Bank had upgraded shares of Aixtron to a buy on Tuesday.

German shares of the LED equipment company were up 6% on Tuesday. ADR shares of Aixtron opened up by more than 4%.

The share price of $41.80 hit by Aixtron shares on Tuesday morning wasn't just the LED stock's 52-week high, but an all-time high share price.

The bullish trading in Aixtron shares wasn't an isolated event. Last week, Aixtron shares received a big pop on Wednesday after rumors in the press that LED industry bellwether Cree ( CREE) was considering an acquisition of Aixtron.

Aixtron competitor Veeco Instruments ( VECO) gained 2% on Tuesday morning. Over the past five trading sessions, both Veeco and Aixtron have experienced a near-double digit percentage gain.

-- Written by Eric Rosenbaum from New York.


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