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Accelerate Diagnostics plans $20M offering

TUCSON, Ariz. (AP) -- Accelerate Diagnostics Inc. said Tuesday it registered a $20 million offering of rights to buy additional shares of its stock.

The company develops systems intended to diagnose drug-resistant and hospital-acquired infections.

Accelerate said it has not determined the price or date of the offering, which will be made to current shareholders. It said Abeja Ventures, a firm whose owners include four Accelerate directors, has committed to buy any shares that aren't sold.

Shares of Accelerate Diagnostics slipped 2 cents to $8.74 in morning trading. They have traded in a range of $2.55 to $8.99 over the past year.