preCharge News BUSINESS — KB Home shares of the homebuilder fell more than 4% after the company posted a top- and bottom-line miss in the first quarter. KB Home earned $1.49 per share on revenue of $1.39 billion. Analysts polled by LSEG were looking for earnings of $1.58 per share and revenue of $1.5 billion. The company also cut its revenue guidance for fiscal 2025.

Cloudflare — Shares of the network security firm jumped more than 2% on the back of Bank of America’s double upgrade to buy from underperform. The bank said Cloudflare’s fundamentals are improving and the stock is an underappreciated play on artificial intelligence. 

Oklo — The nuclear technology company tumbled 9% after reporting a wider annual loss compared with a year prior. Oklo also said it expects to incur “significant expenses and continuing financial losses.”