Shares of

Ditech Communications

( DITC) surged in late trading Monday after the telecommunications-equipment company put its fiscal fourth-quarter results above Wall Street's expectations. Ditech said it expects earnings for the quarter ended April 30 to be 6 cents to 7 cents a share. The company projects revenue of $20 million. Analysts polled by Thomson First Call were looking for earnings of 4 cents a share and revenue of $18.2 million.

For the current quarter, Ditech expects revenue to increase about 10% over the fourth quarter. "Our fourth quarter results were outstanding and reflected progress in all areas of our business," said Tim Montgomery, president and CEO, in a statement. Shares advanced $1.22, or 13%, to $10.80 in late trading.

Cutera

(CUTR) - Get Report

shares sank after the company offered a soft guidance for the second quarter. The company, a maker of lasers for health care purposes, posted first-quarter earnings of $1.1 million, or 8 cents a share, down from $1.5 million, or 11 cents a share, a year ago. Excluding certain items, earnings were 12 cents a share. Revenue rose 37% to $20.8 million. Analysts had forecast first-quarter earnings of 12 cents a share on revenue of $19.3 million.

For the second quarter, Cutera projects earnings of 12 cents a share, before items, which is short of Wall Street's expectation of 20 cents a share. For the year, the company sees adjusted earnings of 95 cents a share, while analysts are looking for earnings of $1.03 a share. Shares dropped 97 cents, or 3.7%, to $25.50 in late trading.

Shares of

Chipotle

(CMG) - Get Report

heated up after the Mexican restaurant chain posted first-quarter earnings that more than doubled Wall Street's expectation. Chipotle reported a profit of $8 million, or 26 cents a share, up from $2.6 million, or 10 cents a share, a year earlier. Revenue rose to $187 million from $133.4 million, as same-store sales jumped 19.7%. Analysts had an average estimate for earnings of 12 cents a share and revenue of $172.1 million.

Separately, Chipotle said that certain shareholders will sell 4.82 million shares to the public, including 4.1 million shares to be offered by parent

McDonald's

(MCD) - Get Report

. Chipotle shares gained $7.26, or 12%, to $66.53 in after-hours trading.

Shares of

Arena Pharmaceuticals

(ARNA) - Get Report

rose after the clinical-stage biopharmaceutical company narrowed its first-quarter loss and beat Wall Street's expectations. Arena posted a loss of $12.7 million, or 30 cents a share, compared with a year-earlier loss of $25 million, or 79 cents a share, which included a $7.4 million non-cash charge. Revenue rose to $12.1 million from $4.4 million a year ago. Analysts anticipated a loss of 42 cents on revenue of $9.1 million.

"In the first quarter we significantly strengthened our financial position by completing a $169 million follow-on offering, complemented by a $5 million milestone from Ortho-McNeil in connection with initiating the Phase 1 clinical trial of APD668 for type 2 diabetes," Jack Lief, president and CEO, said in a statement. Shares jumped $1.50, or 11%, to $14.72 after hours.

InPhonic

( INPC) shares jumped after the cell-phone sales-and-activation company beat Wall Street's first-quarter expectation. The company reported a loss of $3.9 million, 11 cents per share, narrowed from a loss of $7 million, or 21 cents a share, a year ago. Adjusted earnings were 4 cents a share. Revenue jumped to $87.4 million from $68.2 million a year earlier. Analysts expected a loss of a penny a share and revenue of $83.4 million.

Looking ahead, InPhonic expects a second-quarter adjusted profit of 8 cents a share and $92.5 million in sales. Analysts were calling for earnings of 5 cents a share on revenue of $93.1 million. Shares jumped $1.05, or 14%, to $8.40 in late trading.