Tesla and Signet Jewelers climb; Brown-Forman stumbles

Stocks that moved substantially or traded heavily Wednesday:

Tesla Inc., up $28.37 to $319.50

CEO Elon Musk said it's likely Tesla will reach its production targets for its Model 3 sedan by the end of June.

Athenahealth Inc., $6.30 to $157.44

The medical billing software company said it will consider a possible sale and its CEO stepped down.

Ambarella Inc., down $6.39 to $43

The video-compression chipmaker gave a disappointing revenue forecast.

Signet Jewelers Ltd., up $8.12 to $52.27

The jewelry retailer reported an adjusted profit, and stronger sales than analysts expected.

Devon Energy Inc., up $2.19 to $41.51

The oil and gas company said it will sell its interest in two other companies and buy back more stock.

Brown-Forman Corp., down $3.40 to $52.47

The maker of Jack Daniel's and other liquors higher costs affected its earnings in the first quarter.

Citigroup Inc., up $1.47 to $68.23

Banks rose in tandem with interest rates on Wednesday.

Alliant Energy Corp., down 62 cents to $39.13

Shares of utility companies other big-dividend payers also lost ground as income-seeking investors bought bonds instead.