GT Solar International Inc. (SOLR), a U.S. manufacturer of equipment used in the production of photovoltaic cells, announced first quarter 2009 financial results today after the close. Revenues rose to $57.1 million, an increase of 272% year-over-year compared to $15.4 million. Net income rose to $5.1 million, or 3 cents per diluted share, reversing a loss of $5.0 million, or 4 cents per share, for the same period a year ago. There were no analyst earnings estimates ahead of the earnings release.