(Bloomberg) -- GameStop Corp. shares tumbled for a third day after the company said it may sell up to 45 million shares, further demolishing the meme-fueled rally that had sent the stock soaring at the start of the week. Most Read from BloombergChina Attempts to End Property Crisis With Broad Rescue PackageWith a BlackRock CEO, $9 Trillion Vanguard Braces for TurbulenceUS Inflation Data Was Accidentally Released 30 Minutes EarlyPutin and Xi Vow to Step Up Fight to Counter US ‘Containment’Jamie D