American Express, Johnson & Johnson, Square, Vale: Fast Money Picks For March 24

On CNBC's Fast Money Final Trade, Pete Najarian said he noticed unusually high call options volume in Vale SA (ADR) VALE. Traders were aggressively buying the May 10 calls. Najarian advised viewers to keep an eye on the stock.

Tim Seymour thinks Johnson & Johnson JNJ is under a lot of pressure. He wants to take a short position in the name.

Steve Grasso is a buyer of Square Inc SQ. He thinks the stock has more upside ahead.

Guy Adami believes American Express Company AXP should be bought.