 Shares of International Paper Co. IP, 1.87 fell 0.6 in premarket trading Tuesday, to buck the big rally in the broader stock market, after Deutsche Bank analyst Kyle White turned bearish on the paper and packaging products company, citing concerns over falling containerboard prices. Given weakening demand and upcoming capacity additions, we anticipate containerboard prices will fall by 100 per ton in total over the next year, White wrote in a note to clients. 