4 Stocks To Avoid, According To These Fast Money Traders

On CNBC's "Fast Money", traders spoke about stocks that could have a potentially disastrous effect on a portfolio.

Tim Seymour thinks that Snap Inc SNAP could trade lower.

Brian Kelly believes that Costco Wholesale Corporation COST is going to show some weakness ahead, because of the competition from Amazon.com, Inc. AMZN.

Steve Grasso sees more downside ahead for Mattel, Inc. MAT.

Guy Adami advised viewers to avoid Hertz Global Holdings, Inc HTZ.