PLUG - 2.12 Pre-market now at 2.39/2.40 MW Plug Power says Wal-Mart to acquire 55.3 mln of its shares http://stockcharts.com/c-sc/sc?s=PLUG&p=D&b=5&g=0&i=t40052780413&r=1500640654349 http://stockcharts.com/c-sc/sc?s=PLUG&p=W&b=5&g=0&i=t03414644803&r=1500640673767