Jim Cramer recently expressed his confidence in the defense business of Palantir Technologies Inc. (NYSE:PLTR). What Happened: On CNBC’s “Mad Money,” Jim Cramer gave a thumbs-up to Palantir Technologies Inc. (NYSE:PLTR), praising the company’s recent performance and its defense sector presence. During the “Lightning Round,” Cramer responded positively to a caller’s inquiry about Palantir. He highlighted the company’s satisfactory earnings and its stronghold in the IT defense industry. “I like it. I thought they had a good quarter, they have a good defense business, I like IT defense work, and …