Watch underperforming sectors for bargains, Josh Brown of Fusion Analytics said Tuesday.

"It feels like we're in the midst of a correction. This could be a 3 percent or a 10 percent. I couldn't tell you," he said. "What I can l say is: Seasonally it makes a lot of sense. The last three years in a row, we ran into April earnings season with a full head of steam, and we were pretty disappointed."