Grindrod Shipping (NASDAQ:GRIN – Get Rating) was downgraded by Zacks Investment Research from a “buy” rating to a “hold” rating in a research note issued to investors on Friday, Zacks.com reports. According to Zacks, “Grindrod Shipping Holdings Ltd. owns and operates a diversified fleet of owned, long-term chartered-in and joint-venture owned drybulk and liquid-bulk vessels. […]