Foreigners become net sellers as index closes flat.

Positive news, attractive valuations bring renewed interest.

Political uncertainty, margin trading and corporate results dominate proceedings.

Benchmark 100-index plummets 3.8% as Raymond Davis case and Moody's rating create panic at the bourse.

Index falls 1.8% in first three days, only to bounce back in the final two.

Profit-taking was witnessed throughout the week as investors cashed in on gains.

Heavy foreign buying and approval of margin trading lead to more participation.

The stock market continued to strengthen during the week ended January 7.

Investors choose to book profits ahead of year-end as index gains 0.6%.

Oil and banking sectors perform while textile and automobile stumble.