Cramer Weighs In On Ping Identity, Vertex And More

On CNBC's "Mad Money Lightning Round," Jim Cramer said that Ping Identity Holding Corp PING is a very expensive stock. He is worried because there is too much competition in the sector.

Royalty Pharma plc RPRX does a lot of great biotech investing without a lot of risk, said Cramer. He likes the stock.

Cramer wants to buy Vertex Pharmaceuticals Incorporated VRTX.

Builders FirstSource, Inc. BLDR is a very good company, said Cramer.