Mexico will inject $3.6 billion into ailing state oil company Pemex, officials said on Friday, promising to strengthen its finances and prevent a further credit downgrade, although investors saw the plan as only a short-term fix. Falling oil output, corruption and high labor costs have contributed to the decline of the company that was once a symbol of national pride. It now holds roughly $106 billion in financial debt, the highest of any national oil company in Latin America. Fitch and Moody’s rate its credit one notch above junk. Fitch said on Friday that the plan, which includes additional tax cuts, more government spending on the company and debt refinancing, would likely not be enough […]