Private equity investments witnessed in November a declining trend both in value and volume terms with 39 deals worth around USD 500 million, says a report. According to the Grant Thornton report, PE deal tally from January to November was 717 totalled USD 17.8 billion in valuation. The deal volume saw a 4 per cent increase over the same period a year ago, while the deal size of investments declined by 9 per cent as big ticket investments remained cautious. In November, there was only one big-ticket investment worth over USD 100 million.