During a lightning round segment, Jim Cramer stated that Vertiv is the best in its field and expressed his strong approval of the company’s prospects.

Vertiv’s shares experienced a very big jump leading up to the segment, prompting Cramer to warn investors that the rally could reverse if overall market sentiment turns negative.

Vertiv designs and manages power and cooling systems essential for data centers and digital networks, positioning it as a key supplier amid ongoing IT hardware deployments.