BUZZ — Australia's XRF Scientific gains most in 6 — months on robust quarterly results update

* Shares of Australia's XRF Scientific rise as much as 11.2% to A$1.84, its biggest intraday pct gain since April 8 * Stock at its highest level since September 21 * Laboratory equipment and chemical manufacturer says September-quarter revenue rose to A$21.1 million ($14.68 million), up 38% from prior corresponding period * Adds profit before tax increased 30% to A$4.4 million from a year earlier * Stock down 8.7% YTD, including session moves ($1 = 1.4376 Australian dollars) (Reporting by Roshan Thomas in Bengaluru) ((Roshan.Thomas@thomsonreuters.com)