Exxon Mobil Corp., the oil giant at risk of losing its top-notch credit rating, is planning to raise $12 billion in its biggest bond offering as it seeks funds for future acquisitions and other business opportunities. The world’s largest oil company is offering debt in eight parts at above average yields, according to a person with knowledge of the matter. The offering comes after Moody’s Investors Service warned last week that the oil-market collapse imperils cash flow needed to cover debt payments and investment in new discoveries at Exxon and cut its outlook to negative from stable. “In the grand scheme of things, their overall yields will be low, and starting to build a bigger war chest makes a lot of sense,” said Peter Tchir, head of macro strategy at Brean Capital LLC in […]