Year to date (ytd) or from January 01 to March 15, 2018, the PH stockmarket is the 2nd poorest performer after JP in the Asia-Pacific. JP's Abe has corruption scandal while PH's Duterte has drugs and China scandal, ICC problem, and tax-tax-tax de TRAIN. Data from http://markets.wsj.com/asia
There should be rising investment uncertainties here. TRAIN 1 overall tax hikes, now TRAIN 2 in Congress proposes withrawal of many fiscal incentives to corporations while the promised cut in corporate income tax (CIT) from 30% to 25% will be in 2022, the end of Du30 term.
Of all major factors of production -- land, labor, capital -- capital is the most mobile across the globe. You impose more politics of envy ("over-tax the rich, the businessmen, the foreign investors"), you get what you wish for.