Several biotech and healthcare stocks posted notable after-hours gains on Wednesday, October 1, with price action largely driven by technical momentum and recent clinical updates rather than fresh disclosures. While most companies did not issue new filings or press releases during the session, earlier trial data, pipeline developments, and strategic announcements continued to influence trading sentiment.Shares of Zhongchao Inc. (ZCMD) jumped 14.04% after hours on Wednesday, rising to $1.30 from its regular ...