According to CNBC, Worthington Enterprises surged about 16% in premarket trading after leadership issued an encouraging outlook, with CEO Joseph Hayek saying the company sees opportunities across its business, including rapidly growing demand for its engineered ASME tanks used in liquid cooling systems for data centers. First-quarter adjusted earnings and revenue also topped Street estimates, according to LSEG. IonQ climbed 12% after saying it tested the industry's first real-time quantum error decoder, a capability the company said allows quantum error correction across operations without slowing execution time. KB Home fell more than 1% after its projections for fourth-quarter deliveries came in below expectations, while housing gross margins for the current quarter are expected to range between 16% and 16.6%, below the 17.2% analysts polled by LSEG were looking for. Six Flags Entertainment rose 1% after a Wall Street Journal report said activist hedge fund Jana Partners was urging the company to explore a sale. Maplebear gained more than 3% after announcing that customers on its grocery platform will be able to use Meta's personal AI agent Muse.