Investors are likely to keep an eye on the following small-cap stocks listed on the Australian Securities Exchange.

Activeport Group (ASX:ATV)

The software company said the rights in its recently disclosed renounceable rights issue started trading on Monday under the ASX code "ATVR" and is set to end on Oct. 25.

Equinox Resources (ASX:EQN)

Equinox Resources confirmed the presence of rare earth ionic adsorption clays following the first-pass ammonium sulfate recovery tests in scout drilling assays from the Rio Negro prospect within the Campo Grande project in Brazil. The tests yielded total rare earth oxide concentrations of up to 80%.

Infini Resources (ASX:I88)

Infini Resources found further high-grade uranium-in-soil at its Portland Creek project in Canada as it received the results of a follow-up soil sampling program.

Hamelin Gold (ASX:HMG)

Hamelin Gold said soil sampling programs in the West Tanami and Anderson project in Western Australia identified new gold targets. Air-core drilling at the newly defined Jazz prospect has started, with assay results to be received in December.

Gold Mountain (ASX:GMN)

Gold Mountain conducted reconnaissance mapping in the Bananal Valley tenement in Brazil, identifying an artisanal working on weathered pegmatite within high-order stream sediment anomalies. A soil sampling program will start this month to define drill targets.

Petratherm (ASX:PTR)

The mineral exploration company said its share purchase plan closed oversubscribed on Oct. 8, with AU$4.2 million received, exceeding the original target of AU$1 million. The directors have decided to accept around AU$1.3 million under the terms and conditions of the share purchase plan while also reducing their acceptances by around AU$2.9 million.