ANALYSIS: The Market Threat From A Federal Shutdown Take a Trial Today Get instant access to exclusive stock lists, expert market analysis and powerful tools with 2 months of IBD Digital for only $20! IBD Videos Celsius stock traded in a buy zone Tuesday after receiving an upgrade from Morgan Stanley. Shares of the energy drink maker made an actionable rebound earlier this week. Morgan Stanley on Tuesday upgraded Celsius (CELH) to overweight from equal weight, citing its accelerating growth, according to Th ...