Airline shares rose yesterday after Southwest Airlines raised its fares over the weekend and most major airlines followed suit. The airlines blamed high fuel costs. (MarketWatch) But while most consumers try to avoid higher fares, an Australian businessman agreed to pay $100,380 for two one-way first class tickets on the first commercial flight of the superjumbo Airbus A380 jet. Singapore Airlines auctioned off the tickets, and higher bids are expected for the return flight. (Also MarketWatch)