Oil punched past $100 a barrel this week, with Brent crude hitting the milestone Thursday amid escalating Middle East conflict and drone attacks on tankers in the Red Sea. The ripple effects are already hitting wallets: US gasoline averaged $4.09 a gallon, up 15 cents in a week, while the LA Times reports food prices are set to follow as transport costs climb. Goldman Sachs held its Q4 Brent forecast at $80, but conceded the risk skew has shifted sharply upward.

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