Reports that iHeartMedia (NASDAQ:IHRT) and Sirius XM Holdings (NASDAQ:SIRI) are in early merger talks immediately sent shockwaves through the audio media space. Investors clearly liked one side of the equation more than the other. iHeartMedia stock surged roughly 35% on the news, while Sirius XM shares slid about 5%, signaling that the market is far ... Does a Merger With iHeartRadio Make Sirius Stock a Buy?