FuelCell Energy

(FCEL) - Get Report

jumped more than 20% Tuesday after six of its fuel-cell projects were recommended by the Connecticut Clean Energy Fund for long-term power-purchase agreements with the state's two electric utilities. The projects, which incorporate 68 megawatts of power among them, will undergo further analysis before a final decision is made. Danbury, Conn.-based FuelCell was gaining $1.46, to $8.66.

Rotech Healthcare

( ROHI), which sells home medical equipment and services, was higher after securing a $160 million credit facility with Credit Suisse. The proceeds will be used to pay off obligations to a 2006 credit agreement, as well as for general working-capital purposes. Shares of the Orlando, Fla., company were climbing 15 cents, or 8.6%, to $1.89.

Akorn

(AKRX) - Get Report

shot up after striking an exclusive three-year distribution deal for its tetanus diphtheria vaccine with Massachusetts Biologic Laboratories, a publicly operated vaccine maker. The agreement, which begins Sept. 1, should generate more than $150 million in revenue for the Buffalo Grove, Ill., company and lift yearly earnings by 10 cents to 11 cents a share. Shares were up 67 cents, or 11%, to $6.64.

Electronic Clearing House

(ECHO) - Get Report

plummeted some 35% after the payment-processing firm "mutually agreed" to end its $142 million merger deal with Turbo-Tax software maker

Intuit

(INTU) - Get Report

. The deal had been announced in December.

Also, the Camarillo, Calif., company will shell out $2.3 million to resolve a federal investigation into customers that sold services to gambling Web sites. Near-term results will be hurt by this, as well as other legal fees and money spent preparing for the canceled merger. Echo shares were falling $6.61 to $12. Intuit was up 33 cents, or 1.2%, to $27.70.

Hawaiian Airlines

(HA) - Get Report

lost a quarter of its value after announcing it expects first-quarter passenger yield to drop 11% to 12% from last year, partly due to mounting price competition on flights between Hawaii and the mainland. Load factor, a measure of passenger traffic, is expected to dip 0.6 points from last year to 87%. Shares were down $1.09 to $3.15.

Isonics

(ISON)

, which makes specialty chemicals for various uses, might be delisted from the

Nasdaq

for failing to meet its requirements for stockholders' equity, market value and income. The Golden, Colo., company will submit a plan for rectifying the situation by April 5. Shares were losing 19 cents, or 12.8%, to $1.30.

Metropolitan Health Networks

( MDF) slid after the West Palm Beach, Fla., health care benefit provider widened its fourth-quarter losses to $2.7 million, or a nickel a share, compared with last year's penny-a-share downside. Revenue climbed 18.4% from a year ago to $55.7 million, but two analysts were looking for $60.4 million, according to Thomson Financial. Shares were off 23 cents, or 9.7%, to $2.15.