Broadcom, SmileDirectClub And More 'Fast Money Halftime Report' Picks From October 15

On CNBC's "Fast Money Halftime Report," Jon Najarian said there was a big upside call buying in Knowles Corp KN. He advised viewers to watch the stock.

Stephanie Link wants to add to her long position in Broadcom Inc AVGO. She thinks it has a great balance sheet and a great management team.

Jim Lebenthal likes Alaska Air Group, Inc. ALK and he thinks it is breaking out on the upside.

Joe Terranova would buy the $10 strike puts in SmileDirectClub Inc SDC. The company reports earnings Nov. 12 and everybody is buying calls, said Terranova. He thinks it's going lower.