Louis Navellier, up 15 percent in 2016, buys maker of laser transmitters

Louis Navellier, whose CNBC's "Squawk Box" Platinum Portfolio is up 15 percent this year, bought technology company Oclaro and sold out of Edwards Lifesciences for the trading competition.

Navellier uses quantitative analysis to find stocks that have strong sales and positive earnings outlooks, but moderate price multiples.

Here's why he made these moves in his model portfolio on Tuesday: