Ackman Like Buffett Buoyed by Fracking in Bakken Shale RAI

Ackman Like Buffett Buoyed by Fracking in Bakken Shale RAI

Brent Lewin/Bloomberg

Canadian Pacific Railway Ltd. announced an agreement June 22 with U.S. Silica, the second largest U.S. producer of sand for hydraulic fracturing - known as fracking - to bring sand from a facility in Sparta, Wisconsin to the Bakken.