On CNBC's “Mad Money Lightning Round,” Jim Cramer said this is the right time to buy Phillips 66 .

As per the recent news, Phillips 66, on Tuesday, announced it entered into a definitive agreement to acquire the remaining 50% ownership interest in WRB Refining LP from subsidiaries of Cenovus Energy.

Tandem Diabetes Care ( TNDM ) is a “speculative stock for younger people I actually encourage,” Cramer said.

Oppenheimer analyst Steven Lichtman, on Sept. 8, maintained Tandem Diabetes Care ( TNDM ) with an Outperform rating and lowered the price target from $44 to $22.

Cramer recommended buying some of Cintas ( CTAS ) stock here, and then waiting for the quarter. He also recommended buying more in case the quarter's disappointing. “This is a great long-term hold,” he added.

On the earnings front, Cintas ( CTAS ) announced that it will release fiscal year 2026 first-quarter results on Wednesday, Sept. 24.

Cramer said he is not going to pull the trigger on Intuitive Surgical, Inc. ( ISRG ) . “I have liked it [for] a very long time,” he added.

Intuitive Surgical ( ISRG ), on July 22, reported second-quarter revenue of $2.44 billion, beating analyst estimates of $2.35 billion, according to Benzinga Pro. The robotic-assisted surgery company reported second-quarter adjusted earnings of $2.19 per share, beating analyst estimates of $1.93 per share.

Price Action:

Tandem Diabetes Care ( TNDM ) shares fell 1.5% to settle at $12.37 on Wednesday.

Cintas ( CTAS ) shares fell 0.3% to close at $201.40.

Phillips 66 shares fell 0.7% to settle at $131.42 on Wednesday.

Intuitive Surgical ( ISRG ) shares fell 3.8% to close at $449.98.

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