AMC jumped more than 15%, other 'meme stocks' mixed
June 14 - Shares of AMC Entertainment Holdings shot higher on Monday, setting the stage for another week of roller-coaster trading in shares of the theater chain operator and other retail investor favorites.AMC’s shares were recently up 15.38% at around $57 after edging 3% higher last week. The company said in a filing last week that over 80% of its shares were held by retail investors.Rallies in AMC and video game retailer GameStop, as well as a fresh crop of so-called meme stocks - companies