Obama Rejects Keystone XL Pipeline: Here's Who Loses By: Benzinga via Benzinga November 06, 2015 at 12:27 PM EST President Barack Obama has rejected the controversial Keystone XL pipeline. Companies with the most to lose from the ... Read More >> Related Stocks: Enbridge Imperial Oil Limited Phillips 66 Suncor Energy Inc TransCanada Corporation United States Oil Fund Valero Energy