Broad rally in auto parts stocks

• Shares of O'Reilly (ORLY +9.3%) are higher after the company surprises with its Q4 report to follow along with peer Advance Auto Parts (AAP +12.4%).
• The harsh winter weather appears to have created a pickup in demand at auto parts retailers and service centers.
• Sector movers: Pep Boys (NYSE:PEP) +4.2%, AutoZone (NYSE:AZO) +5.2%, U.S. Auto Parts (NASDAQ:PRTS) +1.2%, LKQ Corporation (NASDAQ:LKQ) +3.2%, Genuine Parts (NYSE:GPC) +3.0%, Monro Muffler (NASDAQ:MNRO) +2.7%, Lithia Motors (NYSE:LAD) +3.8%, Sonic Automotive (NYSE:SAH) +2.0%.