Stocks that moved substantially or traded heavily Wednesday:
Carvana Co., up $3.13 to $12.66
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The online used car seller reported better first-quarter results than Wall Street expected.
AK Steel Holding Corp., up 7 cents to $5.97
The company said it will raise the spot market price of its carbon-rolled flat steel products by $30 a ton.
Duluth Holdings Inc., down $3.82 to $16.75
The seller of clothing and tools announced a smaller quarterly profit than investors expected.
Ambarella Inc., down $6.12 to $53.60
The video-compression chipmaker had a strong first quarter, but investors were concerned about weak sales of chips that go into drones.
Newfield Exploration Co., down $2.16 to $28.90
A steep slide in oil prices undercut stocks of several oil and gas drilling companies.
United Natural Foods Inc., down $1.72 to $39.16
The organic and specialty foods distributor's sales fell short of analyst projections.
Southwest Airlines Co., down 14 cents to $59.96
Wall Street was disappointed with the airline's May passenger traffic report.
CME Group Inc., up $2.85 to $119.41
Banks and other financial companies traded higher Wednesday as bond yields and interest rates moved up.