Those buys very probably market makers covering their shorts on the last trading day of the month.
New long-term bull market from Oct. 16, 2008 (+6 months for underbubble overreaction) to Feb. 5, 2018 (+6 months for overbubble overreaction). Dow tops out at about 26,500 resistance, then goes generally down for ~9 years. IMHO.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.