BUZZ-Telecom Plus: worst day ever on profit warning
** Telecom Plus (LSE: TEP.L - news) down c.23 pct, poised for biggest ever one-day drop & down at levels not seen since mid 2012
** Co, which provides gas, phone, internet & electricity services to households & smaller businesses, says FY profit will miss prior forecasts
** Impacted by cut in energy prices & lower demand due to mild winter
** Most actively traded stock on FTSE 250 index, with more than twice its 90-day daily avg volume having gone through after just 20 mins (RM (LSE: RM.L - news) : tricia.wright1.thomsonreuters.com@reuters.net)