The 5 biggest stock gains on Thursday: Tribune Publishing, Celsius Holding December 31, 2020 09:26 by NewsDesk The Dow Jones Industrial Average and the S&P 500 closed at record highs on Thursday, the last trading day of 2020. .Source Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)MoreClick to print (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window) Related