India, Oct. 18 -- Shipping is a business where you buy big, expensive assets and hope they keep working. When charter rates, the daily rent you pay to hire a ship, are good, the math looks amazing. When rates slip or a vessel sits idle, the same loan starts to hurt. Some small offshore players are in that spot right now, so investors are watching who borrows how much, and why.

Founded in 1992 and based in Chennai, ABS Marine Servicesworks across ship management, vessel ownership, marine services and port services. It owns 12 ships, manages 38 vessels in total, and serves government bodies, oil and gas firms and port authorities. It has offices in Mumbai, Kochi, Kakinada and Singapore.

Shares of ABS Marine Services Limited, with a marke...