MOS)-produced phosphate fertilizer between Tampa, Fla., and India when it was attacked and taken by pirates on Dec. 28. The ship was sailing in the Indian Ocean near the Seychelles island chain, some 1,000 miles from the Somali coast. Navios Maritime Partners, the sibling company of Navios Maritime Holdings, said the Chinese ambassador to Greece played a key role in the ship's "release process." A Chinese warship escorted the Apollon after the pirates left the vessel, but Navios wasn't more specific about how the ambassador may have assisted. Shares of Navios Maritime Partners ended trading Monday at $15.75, up 2 cents. -- Written by Scott Eden in New York Follow TheStreet.com on Twitter and become a fan on Facebook.