KARACHI: Economic optimism amid falling energy prices and a likely cut in the interest rate continued to fuel a bullish run for the fifth straight session, propelling the benchmark KSE-100 index above 187,000 points on Monday. Topline Securities Ltd said the local bourse resumed the week exactly where it left off last Friday, with the bulls firmly in control as robust buying interest fuelled another strong session. The benchmark KSE-100 index maintained its upward trajectory throughout the session, reaching an intraday high of 2,174 points at 187,546.36 before closing at 187,454.69, up 2,082.49 points or 1.12 per cent.