Park Ha Biological Technology is trading 17.71% higher in pre-market at $2.26 on November 4, with no clear catalyst identified. - The stock closed at $1.92 on November 3. - Searches found no company announcement or other clear catalyst dated November 4. Available company news listings show older items, and the Nasdaq filings page lists filings only through September 11. - U.S. indexes were mixed but modestly positive, which does not establish a reason for the larger stock move. No pre-market volume information was provided.