MIXED. The main stocks index finishes the week up amid concerns over the growth impact of the Federal Reserve's key rate hike decisions. On the other hand, the peso posted its weakest level to date against the US dollar due to the strengthening of the greenback. (PNA graphics) MANILA - The main stocks index finished the week up amid worries over the hawkish Federal Reserve stance but the peso posted its weakest to date. The Philippine Stock Exchange index (PSEi) rose by 1.58 percent, or 104.37 points, to 6,692.65 points. All Shares followed after it rose by 1.44 percent, or 50.49 points, to 3,548.53 points. Most of the sectoral indices also gained during the day, led by Holding Firms after it inched up by 2.99 percent. Industrial followed with a 1.72 percent jump, along with Services, 1.47 percent, and Property, 0.76 percent. On the other hand, Mining and Oil fell by 0.68 percent and Financials by 0.21 percent. Volume reached 1.02 billion shares amounting to PHP4.59 billion. Advanc