Check out the companies making headlines in midday trading Old Dominion Freight Line — Shares of the less-than-truckload freight carrier rose more than 5% after being upgraded to outperform by BMO Capital. The analyst cited an improving backdrop for its business, plus an opportunity brought on by a more than 40% pullback in the stock over the past year. DoorDash — The food delivery stock rose 4% after Sequoia's Alfred Lin bought more than 514,000 shares, valued at about $100 million. DoorDash shares are up about 14% over the past year, but the stock shed nearly 19% over the past month. Strategy — With the bitcoin proxy already under pressure from falling cryptocurrency prices, shares cratered more than 11% after the company cut its outlook and sold stock to establish as $1.44 billion reser

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