NEW YORK (TheStreet) -- Shares of GT Advanced Technologies (GTAT) are down -2.75% to $18.06 in early market trading after the electronic parts maker was downgraded to "underperform" from "market perform" at Raymond James (RJF) this morning.
Analysts at the firm said the incremental news-flow would not support upside in the stock, but still views GT Advanced's Apple (AAPL) partnership and its solar opportunities as positives.
The firm also noted valuation.
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