Monday's Health Winners & Losers - TheStreet

Biotech pair-ups and earnings bolstered a few health stocks on an otherwise ho-hum Monday for the sector.

Arrow International

( ARRO), which makes various disposable catheters, heart assist devices and related products for critical and cardiac care applications, climbed Monday after

Teleflex

(TFX) - Get Report

said it would

pay $45.50 a share for Arrow, a 20% premium over the stock's closing price heading into the weekend.

Arrow gained $6.40, or 17%, to $44.19, while Teleflex lost 15 cents, or 0.2%, to $85.15.

Another tie-up:

ev3

( EVVV) will acquire

FoxHollow Technologies

( FOXH) in a

$780 million deal under which FoxHollow stockholders will receive 1.45 shares of ev3 common stock in addition to $2.75 in cash for each share. Ev3 gained $1.54, or 9.6%, to $17.52, while FoxHollow added $2.63, or 10.6%, to $27.35.

Specialty pharmaceutical company

DepoMed

(DEPO)

and

Watson Pharmaceuticals

(WPI)

said Monday that they entered an agreement to co-promote ProQuin XR, the extended-release formulation of ciprofloxacin hydrochloride to treat uncomplicated urinary tract infections.

According to the agreement, DepoMed will book top-line revenue and Watson will receive a portion of the profits. The companies plan to relaunch the drug in the U.S. urology market by the end of the year. DepoMed, which will retain manufacturing and distribution rights, increased 16 cents, or 6.8%, to $2.50, while Watson added 48 cents, or 1.5%, to $33.17.

On the earnings side,

Merck

(MRK) - Get Report

gained ground after

reporting quarterly results and increasing its guidance. For the three months ended June 30, Merck earned 82 cents a share, excluding one-time charges, beating the consensus by 10 cents. The stock surged $4.10, or 8.3%, to $53.11.

Merck is a component of the Amex pharmaceutical index, which was up 4.49, or 1.3%, to 354.85.

Schering-Plough

( SGP) also reported

its quarterly earnings, which were boosted by strong sales. The company reported earning 41 cents a share, excluding items, or 34 cents a share when all things were factored in. The Thomson Financial Consensus target was 35 cents a share. Even so, Schering-Plough's stock was down 8 cents, or 0.3%, to $31.40.