Halftime trader: Stick by IBM after poor forecast

Traders gather at the post that trades IBM on the floor of the New York Stock Exchange, Oct. 20, 2014.
Brendan McDermid | Reuters

Warren Buffett isn't the only believer left in IBM.

Halftime Trader Jim Lebenthal is getting more bullish on the stock even after the company delivered a disappointing 2015 outlook as part of its fourth-quarter earnings Tuesday after the bell.