bajaenergys.blogspot.com — Meanwhile, Western Refining (WNR:28.90, 1.69, 6.2%) rallied 6.2% to $28.90 after Bank of America upgraded refiner to buy from neutral. Valero also got an upgrade to buy from neutral from the bank as well. The two upgrades headlined Bank of America's overall bullishness on refining margins as voiced in a note to clients on Friday.