Jim Cramer recommended buying BlackBerry Limited, Casey’s General Stores, GameStop and Credo Technology Group Holding on CNBC’s "Mad Money Lightning Round." BlackBerry shares rose in premarket trading after Sift, a data infrastructure platform for mission-critical hardware, announced a partnership with QNX, BlackBerry’s embedded software division. Cramer said Casey’s was attractive after its shares had nearly been cut in half; the company reported $7.37 in first-quarter earnings per share on Sept. 8, above the $6.72 estimate, while sales reached $5.678 billion versus expectations of $5.568 billion. He described GameStop as profitable and said its turnaround was showing progress. A Sept. 10 Form 4 filing with the U.S. Securities and Exchange Commission showed GameStop CEO Ryan Cohen purchased 1,000,000 shares for $20,375,900. Cramer said Credo Technology had performed poorly over the past six months but had reached a level he considered buyable. The company disclosed the launch of its 224G-based ZeroFlap optical transceiver family for AI networking on Tuesday. On Thursday, Casey’s shares rose 3.1% to $607.45, BlackBerry gained 3.9% to $7.94, GameStop climbed 3.6% to $22.77 and Credo Technology advanced 4.2% to $168.25.