NEW YORK ( TheStreet) -- RadioShack ( RSH) is rallying as takeover chatter resurfaces; and this time the rumors are that the Blackstone Group ( BX) has entered into a definitive agreement to purchase the electronics retailer. RadioShack has been the target of a possible acquisition for some time, with past reports also naming Kohlberg Kravis Roberts, Bain Capital, TPG and Best Buy ( BBY) as potential bidders. Shares of RadioShack are climbing 4% to $22.39 in morning trading. -- Reported by Jeanine Poggi in New York. Follow TheStreet.com on Twitter and become a fan on Facebook.