Pakistan, July 14 -- The Pakistan Stock Exchange (PSX) remained under heavy selling pressure on Tuesday, with the benchmark KSE-100 Index falling by more than 3,000 points in early trading as escalating tensions in the Middle East and rising global oil prices dampened investor confidence.

Read More: PSX opens week in red on back on renewed ME tensions

During the opening session, the KSE-100 Index dropped 3,464.89 points to 176,462.15, compared with the previous close of 179,927.04. The decline marked the second consecutive day of significant losses, extending Monday's market downturn.

Market sentiment weakened after global oil prices climbed to their highest level in four weeks following renewed hostilities between the United States an...