Pakistan Stock Exchange (PSX) on Monday surged to unprecedented highs with the addition of over 700 points and at one stage crossed the 74,000 psychological barrier over optimism surrounding the outcome of loan talks between Pakistan and the International Monetary Fund (IMF). In the morning, the KSE-100 index endured a lacklustre start when the KSE-100 index touched the intra-day low at 73,109.