According to @CNBC, CSX (CSX), Electronic Arts (EA), Pony AI, and Merus (MRUS) were among the biggest U.S. midday movers on September 29, 2025, indicating notable cross-sector activity across transport, gaming, autonomous driving, and biotech, source: CNBC. The post highlighted the names but did not include specific price moves or catalysts, directing readers to the linked article for full details, source: CNBC. No direct cryptocurrency impact was mentioned by the source, source: CNBC.