NEW YORK: OTC Markets Group Inc. (OTCQX: OTCM), operator of financial markets for 10,000 U.S. and global securities, today announced Real Goods Solar, Inc. (OTCQX: RGSE), the exclusive manufacturer of POWERHOUSE™ Solar Shingle System, has qualified to trade on the OTCQX® Best Market. Real Goods Solar previously traded on NASDAQ. Real Goods Solar begins trading […]